From Marco Jez, added -ne option echo usage to fix stdout/stderr redirection error under Mingw.
From Marco Jez, added -ne option echo usage to fix stdout/stderr redirection
error under Mingw.


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