[polari] Bump version to 3.21.2

[Florian Müllner <fmuellner src gnome org>]

commit 88abad1eb9ab4b88c8b9f1bf854c97836f1b4b30
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu May 26 14:20:10 2016 +0200

    Bump version to 3.21.2
    
    Update NEWS.

 NEWS         |   16 ++++++++++++++++
 configure.ac |    2 +-
 2 files changed, 17 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index bfb48dd..9f5ca64 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,19 @@
+3.21.2 - "Still Dead"
+=====================
+* Support /close command [Florian; #763385]
+* Support pasting text/image content from files [Florian; #766066]
+* Enable text/image uploads via drag and drop [Florian; #766068]
+* Add help entry to app menu [Baptiste; #723024]
+* Misc. bug fixes [Florian, Emmanuele, Abderrahim; #765445, #765841]
+
+Contributors:
+  Baptiste Mille-Mathias, Florian Müllner
+
+Translations:
+  Anders Jonsson [sv], Kjartan Maraas [nb], Daniel Mustieles [es],
+  Abderrahim Kitouni [ar], Cédric Valmary [oc], Flo H [de],
+  Fábio Nogueira [pt_BR], Muhammet Kara [tr], Tiago Santos [pt]
+
 3.21.1 - "Judy Stays"
 =====================
 * Update roomList header popover on name changes [Sankaranarayanan; #763178]
diff --git a/configure.ac b/configure.ac
index 87af940..98454ec 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([polari],[3.21.1],[https://bugzilla.gnome.org/enter_bug.cgi?product=polari],[polari])
+AC_INIT([polari],[3.21.2],[https://bugzilla.gnome.org/enter_bug.cgi?product=polari],[polari])
 AX_IS_RELEASE([git-directory])
 
 AC_SUBST([APP_ID],[org.gnome.Polari])