[gtkmm] configure.ac: Add a check that NEWS is updated.

[Murray Cumming <murrayc src gnome org>]

commit a1f248f1c0060a00d4a23e1d1d0d6263abb15101
Author: Murray Cumming <murrayc murrayc com>
Date:   Sun Apr 13 16:28:15 2014 +0200

    configure.ac: Add a check that NEWS is updated.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ab68378..447dc81 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,7 +25,7 @@ AC_CONFIG_AUX_DIR([build])
 AC_CONFIG_MACRO_DIR([build])
 AC_CONFIG_HEADERS([config.h gdk/gdkmmconfig.h gtk/gtkmmconfig.h])
 
-AM_INIT_AUTOMAKE([1.9 -Wno-portability no-dist-gzip dist-xz tar-ustar no-define nostdinc])
+AM_INIT_AUTOMAKE([1.9 -Wno-portability check-news no-dist-gzip dist-xz tar-ustar no-define nostdinc])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
 AM_MAINTAINER_MODE
 AC_ARG_VAR([ACLOCAL_FLAGS], [aclocal flags, e.g. -I <macro dir>])