--- a/src/gui/widgets/qabstractslider_p.h	Mon Mar 15 12:43:09 2010 +0200
+++ b/src/gui/widgets/qabstractslider_p.h	Thu Apr 08 14:19:33 2010 +0300
@@ -138,6 +138,7 @@
         }
         q->triggerAction(repeatAction);
     }
+    bool scrollByDelta(Qt::Orientation orientation, Qt::KeyboardModifiers modifiers, int delta);
 };
 
 QT_END_NAMESPACE