autoconf: Fix building with autoconf version older than 2.60.
authorAndreas Schneider <asn@cryptomilk.org>
Tue, 10 Jul 2012 02:21:04 +0000 (22:21 -0400)
committerJeff Layton <jlayton@samba.org>
Tue, 10 Jul 2012 17:17:04 +0000 (13:17 -0400)
commitced19dedc0fa7b36087b8eaeef6a6a9dc76aa55e
tree6bb5645e0cf49b6afee080b75a5ff0096ce7d533
parent233e17db8ef7edba1fea660e076a03a56b0117d2
autoconf: Fix building with autoconf version older than 2.60.

AC_PROG_SED is only avaliable in recent autoconf versions.
Use AC_CHECK_PROG instead if AC_PROG_SED is not present.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
configure.ac