Fixes: NB#193541 - Slider causing a crash because of the internal widget reparenting on destruction.
Fixes: NB#193541 - Slider causing a crash because of the internal widget reparenting on destruction.

RevBy: Stanislav Ionascu

Details: The slider was reparenting it's internal widget on object destruction which was causing a crash.

nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch