Removed some unneeded dependencies to speed up compile.

Code "cleanup": Functions that create a button now return its address.
This helps reduce the number of files that use the globals "Fenetre_Liste_boutons_*"


git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@642 416bcca6-2ee7-4201-b75f-2eb2f807beb1

loadsave.c

@@ -40,7 +40,6 @@
 #include "const.h"
 #include "struct.h"
 #include "global.h"
-#include "graph.h"
 #include "divers.h"
 #include "pages.h"
 #include "op_c.h"