[mer][qtlocation] Fix again run-time warning when using Geoclue posit…

…ioning plugin. Fixes JB#48424

Previous fix was broken because of a mistake when backporting commits from upstream.

src/plugins/position/geoclue/qgeopositioninfosourcefactory_geoclue.cpp

@@ -51,6 +51,7 @@ QT_BEGIN_NAMESPACE
 
 QGeoPositionInfoSource *QGeoPositionInfoSourceFactoryGeoclue::positionInfoSource(QObject *parent)
 {
+    qRegisterMetaType<QGeoPositionInfo>();
     return new QGeoPositionInfoSourceGeoclueMaster(parent);
 }