Silence warning reintroduced by recent extensions patch.
authorEric Blake <ebb9@byu.net>
Mon, 26 Jan 2009 16:24:23 +0000 (09:24 -0700)
committerEric Blake <ebb9@byu.net>
Mon, 26 Jan 2009 16:25:46 +0000 (09:25 -0700)
commit984e414921a4e22c44d877d3f10fd55ae942397b
tree3c52b80587de7f0353f6f95fa11be805ea4d7a9d
parentfcf62c3dfcc0a9ca32860327494e9971623f062c
Silence warning reintroduced by recent extensions patch.

* m4/extensions.m4 (AC_USE_SYSTEM_EXTENSIONS)
(gl_USE_SYSTEM_EXTENSIONS): Use AC_DEFUN_ONCE to silence newer
autoconf.

Signed-off-by: Eric Blake <ebb9@byu.net>
ChangeLog
m4/extensions.m4