AGS: Implementation of Freetype 2.1.3 autohinter module #5299
These are needed for the new alfont implementation in AGS
I've tested on a couple of games where I had spotted issues with the current ScummVM master branch code (Zniw Adventure and Dreams in the Witch House).
Those seem to work fine/ identical with when running standalone (ie. without ScummVM).
So, this looks good to me.
These two functions are not actually used, but still nice to have