Added missing entry in build for AnimationManager.cpp
Added missing entry in build for AnimationManager.cpp


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