Make `FT_Get_CMap_Language_ID' work with CFF.  Bug reported by
Steve Hartwell <shspamsink@comcast.net>.

* src/cff/cffdrivr.c: Include FT_SERVICE_TT_CMAP_H.
(cff_services): Added an entry for FT_SERVICE_ID_TT_CMAP.
(cff_get_cmap_info): New function.
(cff_service_get_cmap_info) New entry for cff_services.

* src/sfnt/ttcmap0.c: Exit loop after a format match has been found.
Suggested by Steve Hartwell <shspamsink@comcast.net>.
3 files changed