Added some debug message to the set/getWindowSystemInterface function
Added some debug message to the set/getWindowSystemInterface function


artoolkit/osg,omega-hub/osg,ntoand/osg,XiaoCC/osg,koshman86/osg,ntoand/osg,ntoand/osg,omega-hub/osg,XiaoCC/osg,artoolkit/osg,stmh/osg,stmh/osg,stmh/osg,artoolkit/osg,ghub/osg,XiaoCC/osg,XiaoCC/osg,omega-hub/osg,ghub/osg,ghub/osg,ntoand/osg,koshman86/osg,artoolkit/osg,koshman86/osg,omega-hub/osg,XiaoCC/osg,stmh/osg,stmh/osg,koshman86/osg,ghub/osg