Fix for segfault when pressing 'back' when no plugin available id applet page
Fix for segfault when pressing 'back' when no plugin available id applet page

harmattan/meegotouch-controlpanel,arcean/controlpanel,harmattan/meegotouch-controlpanel,harmattan/meegotouch-controlpanel,arcean/controlpanel,harmattan/meegotouch-controlpanel,arcean/controlpanel,arcean/controlpanel,arcean/controlpanel