Use "void" for empty argument list in declarations

In C, an empty argument list in a declaration means that the function
can accept any arguments. Use "void" instead, it means "no arguments".

C++ treats void and empty list as "no arguments".

1 files changed, 1 insertions, 1 deletions

diff --git a/xorg/tests/xdemo/xdemo.c b/xorg/tests/xdemo/xdemo.c
index cef93274..5e936747 100644
--- a/xorg/tests/xdemo/xdemo.c
+++ b/xorg/tests/xdemo/xdemo.c
@@ -823,7 +823,7 @@ int drawBMP(char *filename, int scroll_type)
     return 0;
 }
 
-int process_bmp_event()
+int process_bmp_event(void)
 {
     XEvent ev;
     long   event_mask;