(svn r1523) -Fix: somehow mousewheel was disabled on windows using SDL; reenabled again

-Fix: added missing CDECL to ellipsis functions and changed VS6 project file to use _cdecl calling conventions (thx tamlin)

texteff.c

@@ -46,7 +46,7 @@ static byte _textmessage_backup[150*400]; // (y * max_width)
 extern void memcpy_pitch(void *d, void *s, int w, int h, int spitch, int dpitch);
 
 // Duration is in game-days
-void AddTextMessage(uint16 color, uint8 duration, const char *message, ...)
+void CDECL AddTextMessage(uint16 color, uint8 duration, const char *message, ...)
 {
 	int i;
 	char buf[1024];