unsetenv: Avoid gcc warning.
authorBruno Haible <bruno@clisp.org>
Sun, 5 Jun 2011 12:32:56 +0000 (14:32 +0200)
committerIan Beckwith <ianb@erislabs.net>
Thu, 9 Jun 2011 23:36:27 +0000 (00:36 +0100)
commit4c509f3635d092f59237ad381163082b207a419a
tree497cb1d230771d6560c7af89fb50ff5a10628a85
parenteadf1d03c19abe009c81484b3ebaa443b884a95d
unsetenv: Avoid gcc warning.

* lib/unsetenv.c (unsetenv): Provide declaration if system lacks it.
(cherry picked from commit 6f88ff35bd7cbf4d48212a0eda501613c595904d)
ChangeLog
lib/unsetenv.c