Fix bug in new ManualObject code - missing unlock
Fix bug in new ManualObject code - missing unlock

vbudovski/ogre,paroj/ogre,RealityFactory/ogre,paroj/ogre,OGRECave/ogre,RealityFactory/ogre,OGRECave/ogre,RealityFactory/ogre,RealityFactory/ogre,OGRECave/ogre,paroj/ogre,OGRECave/ogre,paroj/ogre,OGRECave/ogre,paroj/ogre,RealityFactory/ogre,vbudovski/ogre,vbudovski/ogre,vbudovski/ogre,vbudovski/ogre