Fix FTBFS with GCC6

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 564548309f2fac225d85210f2fad1a7cd677212a)

3 files changed, 24 insertions, 24 deletions

diff --git a/kig/filters/drgeo-filter.cc b/kig/filters/drgeo-filter.cc
index 2b7673ee..9742fcf5 100644
--- a/kig/filters/drgeo-filter.cc
+++ b/kig/filters/drgeo-filter.cc
@@ -109,7 +109,7 @@ KigDocument* KigFilterDrgeo::load( const TQString& file )
                      "figures." ).arg( file ) );
     else
       warning( i18n( "There are no figures in Dr. Geo file \"%1\"." ).arg( file ) );
-    return false;
+    return 0;
   }
 
   int nfig = figures.count();
@@ -335,7 +335,7 @@ KigDocument* KigFilterDrgeo::importFigure( TQDomNode f, const TQString& file, co
           notSupported( file, i18n( "This Dr. Geo file contains a \"%1 %2\" object, "
                                     "which Kig does not currently support." ).arg( domelem.tagName() ).arg(
                                       domelem.attribute( "type" ) ) );
-          return false;
+          return 0;
         }
       }
       else if ( domelem.attribute( "type" ) == "Intersection" )
@@ -371,7 +371,7 @@ KigDocument* KigFilterDrgeo::importFigure( TQDomNode f, const TQString& file, co
           {
             notSupported( file, i18n( "This Dr. Geo file contains an intersection type, "
                                       "which Kig does not currently support." ) );
-            return false;
+            return 0;
           }
           oc = new ObjectTypeCalcer( type, args );
         }
@@ -389,7 +389,7 @@ KigDocument* KigFilterDrgeo::importFigure( TQDomNode f, const TQString& file, co
         notSupported( file, i18n( "This Dr. Geo file contains a \"%1 %2\" object, "
                                   "which Kig does not currently support." ).arg( domelem.tagName() ).arg(
                                     domelem.attribute( "type" ) ) );
-        return false;
+        return 0;
       }
 #ifdef DRGEO_DEBUG
       kdDebug() << "+++++++++ oc:" << oc << endl;
@@ -421,7 +421,7 @@ KigDocument* KigFilterDrgeo::importFigure( TQDomNode f, const TQString& file, co
           notSupported( file, i18n( "This Dr. Geo file contains a \"%1 %2\" object, "
                                     "which Kig does not currently support." ).arg( domelem.tagName() ).arg(
                                     domelem.attribute( "type" ) ) );
-          return false;
+          return 0;
         }
         oc = new ObjectTypeCalcer( type, parents );
       }
@@ -434,7 +434,7 @@ KigDocument* KigFilterDrgeo::importFigure( TQDomNode f, const TQString& file, co
           notSupported( file, i18n( "This Dr. Geo file contains a \"%1 %2\" object, "
                                     "which Kig does not currently support." ).arg( domelem.tagName() ).arg(
                                     domelem.attribute( "type" ) ) );
-          return false;
+          return 0;
         }
         oc = new ObjectTypeCalcer( type, parents );
       }
@@ -455,7 +455,7 @@ KigDocument* KigFilterDrgeo::importFigure( TQDomNode f, const TQString& file, co
           notSupported( file, i18n( "This Dr. Geo file contains a \"%1 %2\" object, "
                                     "which Kig does not currently support." ).arg( domelem.tagName() ).arg(
                                     domelem.attribute( "type" ) ) );
-          return false;
+          return 0;
         }
         oc = new ObjectTypeCalcer( type, parents );
       }
@@ -471,7 +471,7 @@ KigDocument* KigFilterDrgeo::importFigure( TQDomNode f, const TQString& file, co
           notSupported( file, i18n( "This Dr. Geo file contains a \"%1 %2\" object, "
                                     "which Kig does not currently support." ).arg( domelem.tagName() ).arg(
                                     domelem.attribute( "type" ) ) );
-          return false;
+          return 0;
         }
         oc = new ObjectTypeCalcer( type, parents );
       }
@@ -492,7 +492,7 @@ KigDocument* KigFilterDrgeo::importFigure( TQDomNode f, const TQString& file, co
         notSupported( file, i18n( "This Dr. Geo file contains a \"%1 %2\" object, "
                                   "which Kig does not currently support." ).arg( domelem.tagName() ).arg(
                                   domelem.attribute( "type" ) ) );
-        return false;
+        return 0;
       }
 #ifdef DRGEO_DEBUG
       kdDebug() << "+++++++++ oc:" << oc << endl;
@@ -620,7 +620,7 @@ KigDocument* KigFilterDrgeo::importFigure( TQDomNode f, const TQString& file, co
         notSupported( file, i18n( "This Dr. Geo file contains a \"%1 %2\" object, "
                                   "which Kig does not currently support." ).arg( domelem.tagName() ).arg(
                                   domelem.attribute( "type" ) ) );
-        return false;
+        return 0;
       }
 #ifdef DRGEO_DEBUG
       kdDebug() << "+++++++++ oc:" << oc << endl;
@@ -638,7 +638,7 @@ KigDocument* KigFilterDrgeo::importFigure( TQDomNode f, const TQString& file, co
         notSupported( file, i18n( "This Dr. Geo file contains a \"%1 %2\" object, "
                                   "which Kig does not currently support." ).arg( domelem.tagName() ).arg(
                                   domelem.attribute( "type" ) ) );
-        return false;
+        return 0;
       }
 #ifdef DRGEO_DEBUG
       kdDebug() << "+++++++++ oc:" << oc << endl;
@@ -679,7 +679,7 @@ KigDocument* KigFilterDrgeo::importFigure( TQDomNode f, const TQString& file, co
         notSupported( file, i18n( "This Dr. Geo file contains a \"%1 %2\" object, "
                                   "which Kig does not currently support." ).arg( domelem.tagName() ).arg(
                                   domelem.attribute( "type" ) ) );
-        return false;
+        return 0;
       }
     }
     else if ( domelem.tagName() == "locus" )
@@ -691,7 +691,7 @@ KigDocument* KigFilterDrgeo::importFigure( TQDomNode f, const TQString& file, co
         notSupported( file, i18n( "This Dr. Geo file contains a \"%1 %2\" object, "
                                   "which Kig does not currently support." ).arg( domelem.tagName() ).arg(
                                   domelem.attribute( "type" ) ) );
-        return false;
+        return 0;
       }
 #ifdef DRGEO_DEBUG
       kdDebug() << "+++++++++ oc:" << oc << endl;
@@ -711,7 +711,7 @@ KigDocument* KigFilterDrgeo::importFigure( TQDomNode f, const TQString& file, co
       notSupported( file, i18n( "This Dr. Geo file contains a \"%1 %2\" object, "
                                 "which Kig does not currently support." ).arg( domelem.tagName() ).arg(
                                 domelem.attribute( "type" ) ) );
-      return false;
+      return 0;
     }
     curid++;
     if ( oc == 0 )
diff --git a/kig/filters/kseg-filter.cc b/kig/filters/kseg-filter.cc
index 2028bf69..1567ed37 100644
--- a/kig/filters/kseg-filter.cc
+++ b/kig/filters/kseg-filter.cc
@@ -202,7 +202,7 @@ KigDocument* KigFilterKSeg::load( const TQString& file )
   if ( ! ffile.open( IO_ReadOnly ) )
   {
     fileNotFound( file );
-    return false;
+    return 0;
   };
 
   KigDocument* retdoc = new KigDocument();
@@ -558,19 +558,19 @@ KigDocument* KigFilterKSeg::load( const TQString& file )
       {
         notSupported( file, i18n( "This KSeg file contains a filled circle, "
                                   "which Kig does not currently support." ) );
-        return false;
+        return 0;
       };
       case G_ARCSECTOR:
       {
         notSupported( file, i18n( "This KSeg file contains an arc sector, "
                                   "which Kig does not currently support." ) );
-        return false;
+        return 0;
       };
       case G_ARCSEGMENT:
       {
         notSupported( file, i18n( "This KSeg file contains an arc segment, "
                                   "which Kig does not currently support." ) );
-        return false;
+        return 0;
       };
       case G_LOCUS:
       {
diff --git a/kig/filters/native-filter.cc b/kig/filters/native-filter.cc
index 4ffe26a6..cf6521b2 100644
--- a/kig/filters/native-filter.cc
+++ b/kig/filters/native-filter.cc
@@ -194,7 +194,7 @@ KigDocument* KigFilterNative::load( const TQString& file )
   {
     notSupported( file, i18n( "This file was created by Kig version \"%1\", "
                               "which this version cannot open." ).arg( version ) );
-    return false;
+    return 0;
   }
   else if ( major == 0 && minor <= 3 )
   {
@@ -205,7 +205,7 @@ KigDocument* KigFilterNative::load( const TQString& file )
                               "version (0.4 to 0.6),\n"
                               "and then save it again, which will save it in the "
                               "new format." ).arg( version ) );
-    return false;
+    return 0;
   }
   else if ( major == 0 && minor <= 6 )
     return load04( file, main );
@@ -301,7 +301,7 @@ KigDocument* KigFilterNative::load04( const TQString& file, const TQDomElement&
           if ( ( !imp ) && !error.isEmpty() )
           {
             parseError( file, error );
-            return false;
+            return 0;
           }
           o = new ObjectConstCalcer( imp );
         }
@@ -339,7 +339,7 @@ KigDocument* KigFilterNative::load04( const TQString& file, const TQDomElement&
                                       "Perhaps you have compiled Kig without support "
                                       "for this object type,"
                                       "or perhaps you are using an older Kig version." ).arg( tmp ) );
-            return false;
+            return 0;
           };
 
           std::vector<ObjectCalcer*> parents;
@@ -459,7 +459,7 @@ KigDocument* KigFilterNative::load07( const TQString& file, const TQDomElement&
           if ( ( !imp ) && !error.isEmpty() )
           {
             parseError( file, error );
-            return false;
+            return 0;
           }
           o = new ObjectConstCalcer( imp );
         }
@@ -486,7 +486,7 @@ KigDocument* KigFilterNative::load07( const TQString& file, const TQDomElement&
                                       "Perhaps you have compiled Kig without support "
                                       "for this object type,"
                                       "or perhaps you are using an older Kig version." ).arg( tmp ) );
-            return false;
+            return 0;
           }
 
 	  // mp: (I take the responsibility for this!) explanation: the usual ObjectTypeCalcer