diff -ur qt-x11-free-3.3.8b/src/tools/qcstring.cpp qt-x11-free-3.3.8b-system-zlib-header/src/tools/qcstring.cpp
--- qt-x11-free-3.3.8b/src/tools/qcstring.cpp	2008-01-15 20:09:13.000000000 +0100
+++ qt-x11-free-3.3.8b-system-zlib-header/src/tools/qcstring.cpp	2011-11-04 03:36:21.000000000 +0100
@@ -53,7 +53,7 @@
 #include <ctype.h>
 #include <limits.h>
 #ifndef QT_NO_COMPRESS
-#include "../3rdparty/zlib/zlib.h"
+#include <zlib.h>
 #endif
 
 /*****************************************************************************