georeferencer: fix crash which occured when adding GCPs after the widget

docking has been disabled.

git-svn-id: http://svn.osgeo.org/qgis/trunk@13560 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: mmassing

src/plugins/georeferencer/qgsgeorefplugingui.cpp

@@ -117,8 +117,9 @@ void QgsGeorefPluginGui::dockThisWindow( bool dock )
 {
   if ( mDock )
   {
-    setParent( 0 );
+    setParent( mIface->mainWindow(), Qt::Window );
     show();
+
     mIface->removeDockWidget( mDock );
     mDock->setWidget( 0 );
     delete mDock;

src/plugins/georeferencer/qgsmapcoordsdialog.cpp

@@ -134,6 +134,8 @@ void QgsMapCoordsDialog::setToolEmitPoint( bool isEnable )
   if ( isEnable )
   {
     parentWidget()->showMinimized();
+
+    assert( parentWidget()->parentWidget() != 0 );
     parentWidget()->parentWidget()->activateWindow();
     parentWidget()->parentWidget()->raise();