--- a/rfb.h	2002-02-09 16:00:42.000000000 -0500
+++ b/rfb.h	2008-09-24 16:57:13.000000000 -0400
@@ -34,7 +34,7 @@
 
 // Define the CARD* types as used in X11/Xmd.h
 
-typedef unsigned long CARD32;
+typedef unsigned int CARD32;
 typedef unsigned short CARD16;
 typedef short INT16;
 typedef unsigned char  CARD8;