fix for a memory leak

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@10515 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: mhugent

src/core/qgsmaprenderer.cpp

@@ -469,9 +469,9 @@ void QgsMapRenderer::render( QPainter* painter )
       ( *allOverlayIt )->drawOverlayObjects( mRenderContext );
     }
     overlayManager->removeLayers();
-    delete overlayManager;
   }
 
+    delete overlayManager;
   // make sure progress bar arrives at 100%!
   emit drawingProgress( 1, 1 );