--- qt-x11-free-3.3.8b.old/src/tools/qvaluelist.h
+++ qt-x11-free-3.3.8b/src/tools/qvaluelist.h
@@ -41,6 +41,8 @@
 #ifndef QVALUELIST_H
 #define QVALUELIST_H
 
+#include <stddef.h>
+
 #ifndef QT_H
 #include "qtl.h"
 #include "qshared.h"