Bug Fix: Added missing virtual dtor to CEGUI::SubscriberInterface.
Bug Fix: Added missing virtual dtor to CEGUI::SubscriberInterface.

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