It has an internal QWeakPointer<QObject>, which is not helpful. Cast to the
QPointer's template argument instead.
Change-Id: I9308c5eb9ea3867a682c4e4cba5d8041547981d1
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>