fixed: call frameExit on window destruction so OpenGL resources are released
fixed: call frameExit on window destruction so OpenGL resources are released

git-svn-id: 9c86407f91444b2cc93bb44d37d96a685973386f@2391 4683daeb-ad0f-0410-a623-93161e962ae5

jondo2010/OpenSG,jondo2010/OpenSG,jondo2010/OpenSG,jondo2010/OpenSG,jondo2010/OpenSG