Remove Qt 4.6 dependency

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@13483 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: mhugent

src/app/composer/qgscomposerlegendwidget.cpp

@@ -44,7 +44,8 @@ QgsComposerLegendWidget::QgsComposerLegendWidget( QgsComposerLegend* legend ): m
   mItemTreeView->setDragEnabled( true );
   mItemTreeView->setAcceptDrops( true );
   mItemTreeView->setDropIndicatorShown( true );
-  mItemTreeView->setDefaultDropAction( Qt::MoveAction );
+  //only available in 4.6
+  //mItemTreeView->setDefaultDropAction( Qt::MoveAction );
   mItemTreeView->setDragDropMode( QAbstractItemView::InternalMove );
 
   setGuiElements();