[gnome-shell] Bump version to 3.21.2

[Florian Müllner <fmuellner src gnome org>]

commit 6cff0fd9948f9b0fb0931551bf23a41fe261c93b
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri May 27 15:57:07 2016 +0200

    Bump version to 3.21.2
    
    Update NEWS.

 NEWS         |   18 ++++++++++++++++++
 configure.ac |    4 ++--
 2 files changed, 20 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index 256baa1..93aef3b 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,21 @@
+3.21.2
+======
+* Fix sorting of hidden apps in app switcher [Florian; #766238]
+* Set logind's LockedHint property when locked [Victor; #764773]
+* Allocate framebuffers early to fix a crash on NVIDIA [Martin; #764898]
+* Fix cycle-windows/cycle-group keybindings [Florian; #730739]
+* Switch to shared desktop schema for calendar settings [Iain; #766318]
+* Misc. bug fixes [Florian, Cosimo, Michele; #766325, #758471, #757556,
+  #757019, #766598]
+
+Contributors:
+  Cosimo Cecchi, Michele Gaio, Iain Lane, Florian Müllner, Martin Szulecki,
+  Victor Toso
+
+Translations:
+  Tiago Santos [pt], Kjartan Maraas [nb], Jiro Matsuzawa [ja],
+  Cédric Valmary [oc], Sveinn í Felli [is]
+
 3.21.1
 ======
 * Save screencasts in HOME if XDG_VIDEO_DIR doesn't exist [Florian; #765015]
diff --git a/configure.ac b/configure.ac
index a2d8266..6e7a818 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ(2.63)
-AC_INIT([gnome-shell],[3.21.1],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell],[gnome-shell])
+AC_INIT([gnome-shell],[3.21.2],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell],[gnome-shell])
 AX_IS_RELEASE([git-directory])
 
 AC_CONFIG_HEADERS([config.h])
@@ -77,7 +77,7 @@ AC_MSG_RESULT($enable_systemd)
 CLUTTER_MIN_VERSION=1.21.5
 GOBJECT_INTROSPECTION_MIN_VERSION=1.45.4
 GJS_MIN_VERSION=1.39.0
-MUTTER_MIN_VERSION=3.21.1
+MUTTER_MIN_VERSION=3.21.2
 GTK_MIN_VERSION=3.15.0
 GIO_MIN_VERSION=2.45.3
 LIBECAL_MIN_VERSION=3.5.3