[gsettings-desktop-schemas] configure: Bump to 3.21.4 early

[Carlos Garnacho <carlosg src gnome org>]

commit ddcad56d416147111d184de7e7e6fe583867e17c
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri Jul 22 18:11:13 2016 +0200

    configure: Bump to 3.21.4 early
    
    So mutter can depend on this version.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 3a022b2..23e80b3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ(2.53)
-AC_INIT([gsettings-desktop-schemas], [3.21.3],
+AC_INIT([gsettings-desktop-schemas], [3.21.4],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=gsettings-desktop-schemas])
 AC_CONFIG_SRCDIR(schemas/org.gnome.desktop.default-applications.gschema.xml.in)
 AM_INIT_AUTOMAKE([1.9 foreign no-dist-gzip dist-xz])