[LTP] [PATCH v3 2/5] tst_safe_macros: add SAFE_GETGRGID()

[Cyril Hrubis]

Hi!
I've split this patch in two, one that adds errno = 0 to getgrnam and
second that adds the SAFE_GETGRGID and pushed, thanks.

-- 
Cyril Hrubis
chrubis@suse.cz