* Jamfile: Fix typo.

* src/cff/cffparse.c: Move error code #defines to...
* include/freetype/internal/cfferrs.h: This file.
* src/cff/cffdrivr.c, src/cff/cffobjs.c, src/cff/cffload.c: Replaced
`FT_Err_*' with `CFF_Err_*'.
* src/cid/cidparse.c: Replaced `FT_Err_*' with `T1_Err_*'.
* src/psaux/psobjs.c, src/psaux/t1decode.c: Ditto.
* src/sfnt/sfobcs.c, src/sfnt/ttload.c: Replaced `FT_Err_*' with
`TT_Err_*'.
* src/truetype/ttgload.c, src/truetype/ttobjs.c: Ditto.
* src/type1/t1gload.c, src/type1/t1load.c, src/type1/t1objs.c,
src/type1/t1parse.c: Replaced `FT_Err_*' with `T1_Err_*'.

* include/freetype/internal/cfferrs.h: Add
`CFF_Err_Unknown_File_Format'.
* include/freetype/internal/t1errors.h: Add
`T1_Err_Unknown_File_Format'.
* include/freetype/internal/tterrors.h: Add
`TT_Err_Unknown_File_Format'.

* src/cff/cffload.h: Add `cff_*_encoding' and `cff_*_charset'
references.
* src/psaux/psobjs.c: Include `FT_INTERNAL_TYPE1_ERRORS_H'.

* src/cff/cffobjs.c (CFF_Init_Face, CFF_Done_Face): Use
FT_LOCAL_DEF.
* src/cid/cidobjs.c (CID_Done_Driver): Ditto.
* src/trutype/ttobjs.c (TT_Init_Face, TT_Done_Face, TT_Init_Size):
Ditto.
* src/type1/t1objs.c (T1_Done_Driver): Ditto.
* src/pcf/pcfdriver.c (PCF_Done_Face): Ditto.
* src/pcf/pcf.h: Use FT_LOCAL for `PCF_Done_Face'.