FIX: D3D9 base app still had a core header included using the old names.
FIX: D3D9 base app still had a core header included using the old names.

arkana-fts/cegui,cbeck88/cegui-mirror,cbeck88/cegui-mirror,cbeck88/cegui-mirror,RealityFactory/CEGUI,RealityFactory/CEGUI,arkana-fts/cegui,RealityFactory/CEGUI,cbeck88/cegui-mirror,RealityFactory/CEGUI,RealityFactory/CEGUI,cbeck88/cegui-mirror,arkana-fts/cegui,arkana-fts/cegui,arkana-fts/cegui