diff -r 56cd8111b7f7 -r 41300fa6a67c src/gui/widgets/qabstractbutton_p.h
--- a/src/gui/widgets/qabstractbutton_p.h	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/gui/widgets/qabstractbutton_p.h	Tue Feb 02 00:43:10 2010 +0200
@@ -77,6 +77,7 @@
     uint autoExclusive :1;
     uint down :1;
     uint blockRefresh :1;
+    uint pressed : 1;
 
 #ifndef QT_NO_BUTTONGROUP
     QButtonGroup* group;