MFC r269124:

MFC	r269124:
strftime() xlocale cleanups.

Replace fprintf_l with fputs when output is unformatted.
Use locale_t in _conv() since it was using sprintf (now sprintf_l)
Use locale_t on _yconv() since it calls _conv()

Obtained from:	Apple Inc. (Libc 997.90.3)
CR:		D482
Reviewed by:	theraven

git-svn-id: svn://svn.freebsd.org/base/stable/10@269483 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f