[libsigc++2] 2.4.0

[Kjell Ahlstedt <kjellahl src gnome org>]

commit d3f8647ee43f875915ddedbaaf719cc2a3d98c52
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Mon Sep 15 16:12:08 2014 +0200

    2.4.0

 NEWS         |   16 ++++++++++++++++
 configure.ac |    2 +-
 2 files changed, 17 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 5187dc4..fc82559 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,19 @@
+2.4.0 (stable):
+
+Note: API/ABI is the same as in release 2.3.2. Compared to stable
+releases 2.2.x, the API has been broken regarding visit_each() functions.
+See the NEWS entry for libsigc++ 2.3.2.
+
+* Fix the test_lambda test case for MS Visual C++ 2013 and other
+  C++11-compliant compilers.
+  (Kjell Ahlstedt) Bug #734368 (Ryan Beasley)
+* Add a missing #include in limit_reference.h.
+  (Kjell Ahlstedt)
+* Documentation:
+  - Use doxygen-extra.css from the mm-common package.
+    Requires mm-common 0.9.7 when configured to use maintainer-mode.
+    (Kjell Ahlstedt)
+
 2.3.2 (unstable):
 
 Note: The implementation of bug #724496 breaks API for some users,
diff --git a/configure.ac b/configure.ac
index f086b69..126944f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -15,7 +15,7 @@
 ## You should have received a copy of the GNU Lesser General Public License
 ## along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
-AC_INIT([libsigc++], [2.3.2],
+AC_INIT([libsigc++], [2.4.0],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=libsigc%2B%2B],
         [libsigc++], [http://libsigc.sourceforge.net/])
 AC_PREREQ([2.59])