From Paul Martz, warning fixes for Cygwin.
From Paul Martz, warning fixes for Cygwin.


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