--- cegui/include/CEGUIString.h.old	2011-04-27 14:33:25.862856070 +0200
+++ cegui/include/CEGUIString.h	2011-04-27 14:33:49.780351908 +0200
@@ -34,6 +34,7 @@
 #include <string>
 #include <string.h>
 #include <stdexcept>
+#include <cstddef>
 
 // Start of CEGUI namespace section
 namespace CEGUI