Fixes: NB#188904 - COREWEB: /usr/bin/mcompositor... - don't delete MWindowPropertyCache before MCompositeWindow that uses it
Fixes: NB#188904 - COREWEB: /usr/bin/mcompositor...
- don't delete MWindowPropertyCache before MCompositeWindow that uses it

nemomobile-graveyard/mcompositor,nemomobile-graveyard/mcompositor,siraj/mcompositor,siraj/mcompositor,nemomobile-graveyard/mcompositor,nemomobile-graveyard/mcompositor,nemomobile-graveyard/mcompositor,siraj/mcompositor,nemomobile-graveyard/mcompositor,siraj/mcompositor