Fixed the osgDB::getFilePath, osgDB::getSimpleFileName() and osgDB::getStrippedName() so that they check for both unix style '/' and windows style '\' slashes in file names.
Fixed the osgDB::getFilePath, osgDB::getSimpleFileName() and osgDB::getStrippedName()
so that they check for both unix style '/' and windows style '\' slashes in
file names.


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