forked from minhngoc25a/freetype2

Suggested by Akira Tagoh, see http://lists.gnu.org/archive/html/freetype/2013-09/msg00030.html * src/bdf/bdfdrivr.c (BDF_Face_Init): Return Invalid_Argument error when the font could be opened but non-zero face_index is given. * src/pcf/pcfdrivr.c (PCF_Face_Init): Ditto. * src/type42/t42objs.c (T42_Face_Init): Remove unrequired FT_UNUSED macro for face_index because it is validated in later.