Look for places where we are accidentally assigning a returned-by-value
VclPtr<T> to a T*, which generally ends up in a use-after-free.

Change-Id: I4f361eaca88820cdb7aa3b8340212db61580fdd9
Reviewed-on: https://gerrit.libreoffice.org/30749Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>