* src/base/ftobjs.c: modified the logic to get Unicode charmaps. Now it loads UCS-4 charmaps when there is one. * src/base/ftobjs.c (find_unicode_charmap): new function. * src/base/ftobjs.c (open_face): refer to the above one. * src/base/ftobjs.c (FT_Select_Charmap): idem.