Add new function FT_Get_PS_Font_Private().

* include/freetype/internal/services/svpsinfo.h
(PS_GetFontPrivateFunc): New service function.

* include/freetype/t1tables.h, src/base/fttype1.c
(FT_Get_PS_Font_Private): New function.

* src/type1/t1driver.c (t1_ps_get_font_private): New function.
(t1_service_ps_info): Updated.

* src/cff/cffdrivr.c (cff_service_ps_info): Updated.
* src/cid/cidriver.c (cid_service_ps_info): Updated.
* src/type42/t42drivr.c (t42_ps_get_font_private): New function.
(t42_service_ps_info): Updated.

* src/type42/t42parse.c (t42_parse_dict): Remove compiler warning.
9 files changed