diff -r 56cd8111b7f7 -r 41300fa6a67c src/gui/painting/qmemrotate_p.h
--- a/src/gui/painting/qmemrotate_p.h	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/gui/painting/qmemrotate_p.h	Tue Feb 02 00:43:10 2010 +0200
@@ -81,6 +81,8 @@
     void Q_GUI_QWS_EXPORT qt_memrotate180(const srctype*, int, int, int, desttype*, int); \
     void Q_GUI_QWS_EXPORT qt_memrotate270(const srctype*, int, int, int, desttype*, int)
 
+void Q_GUI_EXPORT qt_memrotate90(const quint32*, int, int, int, quint32*, int);
+
 QT_DECL_MEMROTATE(quint32, quint32);
 QT_DECL_MEMROTATE(quint32, quint16);
 QT_DECL_MEMROTATE(quint16, quint32);