diff -r 56cd8111b7f7 -r 41300fa6a67c src/gui/widgets/qlabel_p.h
--- a/src/gui/widgets/qlabel_p.h	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/gui/widgets/qlabel_p.h	Tue Feb 02 00:43:10 2010 +0200
@@ -113,7 +113,7 @@
     mutable uint hasShortcut : 1;
     Qt::TextFormat textformat;
     mutable QTextControl *control;
-    QTextCursor shortcutCursor;
+    mutable QTextCursor shortcutCursor;
     Qt::TextInteractionFlags textInteractionFlags;
 
     inline bool needTextControl() const {