Changed TriangleSet::iterator to const_iterator to fix build under VS.NET.
Changed TriangleSet::iterator to const_iterator to fix build under VS.NET.


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