[gnome-sudoku] Prepare 3.21.4

[Iulian Radu <iulianradu src gnome org>]

commit f10458f56ab398ed1426be0c8ea3f23ed1a8f33f
Author: Iulian Radu <iulian radu67 gmail com>
Date:   Sun Jul 17 13:40:32 2016 +0300

    Prepare 3.21.4

 NEWS         |    9 +++++++++
 configure.ac |    2 +-
 2 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 20947cb..21e8739 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,12 @@
+3.21.4 - July 17, 2016
+======================
+
+* Drop using declarations(Michael Catanzaro)
+* Seed RNG for qqwing(Michael Catanzaro)
+* Switch to C++ 11(Michael Catanzaro)
+* Fix new warnings about static const variables(Michael Catanzaro)
+* Updated translations
+
 3.21.3 - June 19, 2016
 ======================
 
diff --git a/configure.ac b/configure.ac
index 4e132f7..d56a8af 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.63])
-AC_INIT([GNOME Sudoku], [3.21.3], [https://bugzilla.gnome.org/],
+AC_INIT([GNOME Sudoku], [3.21.4], [https://bugzilla.gnome.org/],
         [gnome-sudoku], [https://wiki.gnome.org/Apps/Sudoku])
 AC_CONFIG_MACRO_DIR([m4])