Set PagedLOD::removeExpiredSubgraph() to be virtual
Set PagedLOD::removeExpiredSubgraph() to be virtual


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