encapsule add_custom_argument argument in double quotes to avoid cmake syntax error
encapsule add_custom_argument argument in double quotes to avoid cmake syntax error

this happens in cmake 3.0.1

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