BGE: Fix for [#34631] "Textures bad in game mode" reported by pablo aaa (p9ablo).

Disabling caching if materials have Face Textures enabled.



git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@56679 954f8c5b-7b00-dc11-b283-0030488c597c