Added limits.h to try and avoid gcc 4.3 compile problems
Added limits.h to try and avoid gcc 4.3 compile problems


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