invalidate the managing layout on geometry changes, which is what i expected it to do in the first place. calling setGeometry and then updateGeometry is just damaged

svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=732530

widgets/widget.cpp

@@ -218,6 +218,10 @@ void Widget::setGeometry(const QRectF& geometry)
         if (layout()) {
             layout()->setGeometry(boundingRect());
         }
+
+        if (managingLayout()) {
+            managingLayout()->invalidate();
+        }
     }
 
     setPos(geometry.topLeft());