Fix a bug in the new script translator: the GLSL 'attach' directive was not allowing multiple attachments in one directive.
Fix a bug in the new script translator: the GLSL 'attach' directive was not allowing multiple attachments in one directive.

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