Commit 1e6514a714 changed the mutex from
recursive to non-recursive, which could introduce dead lock if the
animation starts other animation (This is the case in QMainWindow
layouts)
Change-Id: I1b149b78a802748eb24b5700fffeca0b8555f005
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>
5713dde8a1