[HarfBuzz] patch to add getters for gr_font and gr_face

[Khaled Hosny]

On Sat, Dec 08, 2012 at 12:41:01AM +0700, Martin Hosken wrote:
> Dear Behdad,
> 
> Khaled says he needs this for xetex. I enclose a patch to add getter
> functions to hb-graphite2 for gr_font and gr_face. No idea if the work
> though ;)

Thanks Martin, this seems to work for my need (hb-graphite2.h is missing
a graphite2/Font.h include, though), I was hoping it would return
Graphite face/font only if graphite2 shaper is actually used, but it is
not a big deal for XeTeX use case.

Regards,
Khaled