Add support for ISOLatin1 PS encoding.

* include/freetype/freetype.h (ft_encoding_latin_1): New tag
(`lat1').
* include/freetype/internal/t1types.h (T1_Encoding_Type): Add
`t1_encoding_isolatin1'.
* src/type1/t1driver.c (Get_Char_Index, Get_Next_Char): Handle
ft_encoding_latin_1.
* src/type1/t1load.c (parse_encoding): Handle `ISOLatin1Encoding'.
* src/type1/t1objs.c (T1_Face_Init): Handle `t1_encoding_isolatin1'.
6 files changed