Bug Fix: Window::activate was not forcing current window with input capture to release it.
Bug Fix: Window::activate was not forcing current window with input capture to release it.

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