WMF: fix some crashes.

Task-number: QTBUG-30827
Change-Id: Iafc53f7095ad9c086b3982afb2af045c54497dc9
Reviewed-by: Christian Stromme <christian.stromme@digia.com>
WMF: remove dead code.

Change-Id: Ib3b595263e64336cc5d0482edd890e7b4e534927
Reviewed-by: Christian Stromme <christian.stromme@digia.com>