--- render.h    2007-11-23 08:46:10.000000000 +0000
+++ render.h    2007-11-23 08:45:52.000000000 +0000
@@ -26,6 +26,8 @@
 #ifndef _RENDER_H_
 #define _RENDER_H_
 
+#include <X11/Xdefs.h>
+
 typedef XID            Glyph;
 typedef XID            GlyphSet;
 typedef XID            Picture;