Qt4: check random button if random is set

modules/gui/qt4/components/controller.cpp

@@ -365,6 +365,7 @@ QWidget *AbstractController::createWidget( buttonType_e button, int options )
     case RANDOM_BUTTON: {
         NORMAL_BUTTON( RANDOM );
         RANDOMButton->setCheckable( true );
+        RANDOMButton->setChecked( var_GetBool( THEPL, "random" ) );
         CONNECT( THEMIM, randomChanged( bool ),
                  RANDOMButton, setChecked( bool ) );
         }