Bug Fix: ListboxItem::getOwnerWindow should not take a Window* argument.
Bug Fix: ListboxItem::getOwnerWindow should not take a Window* argument.

OpenTechEngine/CEGUI,OpenTechEngine/CEGUI,OpenTechEngine/CEGUI,ruleless/CEGUI,ruleless/CEGUI,OpenTechEngine/CEGUI,ruleless/CEGUI,ruleless/CEGUI