This patch corrects some conformtest expectations for pwd.h for XPG4.
Tested for x86_64 and x86.
* conform/data/pwd.h-data (endpwent): Do not expect for [XPG3].
(getpwent): Likewise.
(setpwent): Likewise.
* conform/Makefile (test-xfail-XPG3/pwd.h/conform): Remove
variable.
* conform/conformtest.pl (@headers): Add search.h, sched.h, regex.h,
pwd.h, and pthread.h.
* conform/data/pthread.h-data: New file.
* conform/data/pwd.h-data: New file.
* conform/data/regex.h-data: New file.
* conform/data/sched.h-data: New file.
* conform/data/search.h-data: New file.
* NAMESPACE: Add REG_ for regex.h.
* locale/langinfo.h: Don't define YESSTR and NOSTR for XPG6 since
they are removed.