[truetype, type1] Use FT_DUP to duplicate data.

* src/truetype/ttgload.c (TT_Load_Simple_Glyph): Use concise FT_DUP.
* src/truetype/ttgxvar.c (TT_Get_MM_Var): Ditto.
* src/type1/t1load.c (parse_subrs): Ditto.
3 files changed