CI: make VS12 build debug, to increase test coverage
CI: make VS12 build debug, to increase test coverage

we do not use its artifacts anyway
paroj/ogre,OGRECave/ogre,OGRECave/ogre,paroj/ogre,OGRECave/ogre,paroj/ogre,OGRECave/ogre,paroj/ogre,OGRECave/ogre,paroj/ogre