Preparing changes in cff parser later needed for PIC version. * src/cff/cffload.c, src/cff/cffload.h, src/cff/cffobjs.c, src/cff/cffparse.c, src/cff/cffparse.h: Add library pointer to 'CFF_ParserRec' set by `cff_parser_init'. Route library pointer from 'cff_face_init' to 'cff_subfont_load' for `cff_parser_init'. * src/cff/cffparse.c (CFF_Field_Handler): Move it to... * src/cff/cffparse.h: This file, to be used by other C files.