Old Qt: Another build fix

src/gui/generalsettings.cpp

@@ -104,7 +104,11 @@ QSize GeneralSettings::sizeHint() const {
 
 void GeneralSettings::loadMiscSettings()
 {
+#if QT_VERSION < QT_VERSION_CHECK( 5, 4, 0 )
+    QScopedValueRollback<bool> scope(_currentlyLoading);
+#else
     QScopedValueRollback<bool> scope(_currentlyLoading, true);
+#endif
     ConfigFile cfgFile;
     _ui->monoIconsCheckBox->setChecked(cfgFile.monoIcons());
     _ui->desktopNotificationsCheckBox->setChecked(cfgFile.optionalDesktopNotifications());