build-sys: Silence warning about missing AC_LANG_SOURCE call in acx_libwrap.m4
authorpoljar (Damir Jelić) <poljarinho@gmail.com>
Mon, 16 Sep 2013 00:00:35 +0000 (02:00 +0200)
committerArun Raghavan <arun.raghavan@collabora.co.uk>
Tue, 17 Sep 2013 13:51:12 +0000 (19:21 +0530)
commitf9a54a0d04a9d3bda229d751d43817ddde9e06fe
treea0303a7bba1acbfed9b8720523cb4d8a75fb492e
parentb58ab2b3514670d687cca46e18cfc49b9ee1ea25
build-sys: Silence warning about missing AC_LANG_SOURCE call in acx_libwrap.m4

This updates the acx_libwrap.m4 macro for autoconf 2.68 and fixes
warnings like:
    configure.ac:471: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body
m4/acx_libwrap.m4