Refresh canvas after adding a new node (#2313)

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@12599 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: wonder

src/app/qgsmaptoolnodetool.cpp

@@ -835,6 +835,9 @@ void QgsMapToolNodeTool::canvasDoubleClickEvent( QMouseEvent * e )
 
         vlayer->endEditCommand();
 
+        // make sure that new node gets its vertex marker
+        mCanvas->refresh();
+
         mSelectionFeature->updateFromFeature();
         mChangingGeometry = false;
       }