Use pscmap service in CFF module.

* src/cff/cffcmap.c (cff_cmap_uni_pair_compare): Removed.
(cff_sid_to_glyph_name): New function.
(cff_cmap_unicode_init, cff_cmap_unicode_done,
cff_cmap_unicode_char_index, cff_cmap_unicode_char next): Use pscmap
service.
(cff_cmap_unicode_class_rec): Updated.
* src/cff/cffcmap.h (CFF_CMapUnicode, CFF_CMap_UniPair): Removed.


* src/psnames/psmodule.c (ps_unicodes_char_next): Fix `unicode'
return value.


* src/psaux/afmparse.c (afm_parser_read_vals): Use double casting
to avoid type-punning compiler warnings.
8 files changed