--- ./kwin/kcmkwin/kwinrules/ruleswidget.cpp.orig	2008-01-30 00:38:06.000000000 +0100
+++ ./kwin/kcmkwin/kwinrules/ruleswidget.cpp	2008-01-30 00:38:38.000000000 +0100
@@ -30,6 +30,7 @@
 
 #include <assert.h>
 #include <kmessagebox.h>
+#include <QWidget>
 #include <QTabWidget>
 #include <QTimer>