Fix stdlib dependencies.

Problem reported by Mickey Gabel <mickey@monfort.co.il>.

* include/freetype/config/ftstdlib.h (ft_exit): Removed.  Unused.

* src/autofit/afhints.c, src/base/ftlcdfil.c, src/smooth/ftsmooth.c:
s/memcpy/ft_memcpy/.
* src/psaux/t1decode.c: s/memset/ft_memset/, s/memcpy/ft_memcpy/.
6 files changed