unsetenv: fix OpenBSD bug
authorEric Blake <eblake@redhat.com>
Wed, 8 Sep 2010 19:43:51 +0000 (13:43 -0600)
committerEric Blake <eblake@redhat.com>
Wed, 8 Sep 2010 20:02:42 +0000 (14:02 -0600)
commitda59166b23ea84c65ce3827a9928bcf201ca09f3
tree97294d56802e3e991fc75b7bd5217519278d2fe1
parent74faf641ba38dfc7d53b2d5b55cdf779ada920e6
unsetenv: fix OpenBSD bug

* m4/setenv.m4 (gl_FUNC_UNSETENV): Check for OpenBSD bug.
* doc/posix-functions/unsetenv.texi (unsetenv): Update
documentation.
Reported by Jim Meyering.

Signed-off-by: Eric Blake <eblake@redhat.com>
ChangeLog
doc/posix-functions/unsetenv.texi
m4/setenv.m4