Fix build

Author: nyalldawson

src/plugins/heatmap/heatmap.cpp

@@ -226,7 +226,7 @@ void Heatmap::run()
   int counter = 0;
 
   QProgressDialog p( tr( "Rendering heatmap..." ), tr( "Abort" ), 0, totalFeatures, mQGisIface->mainWindow() );
-  progressDialog.setWindowTitle( tr( "QGIS" ) );
+  p.setWindowTitle( tr( "QGIS" ) );
   p.setWindowModality( Qt::ApplicationModal );
   p.show();