[gnome-shell] Bump version to 3.21.90.1

[Florian Müllner <fmuellner src gnome org>]

commit 8c8c89a5f1bc674976254df74802150945897af2
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Aug 20 22:32:44 2016 +0200

    Bump version to 3.21.90.1
    
    The 3.21.90 tarball got corrupted, so do another point release.

 NEWS         |    8 ++++++++
 configure.ac |    2 +-
 2 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 1adf175..d50df1c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+3.21.90.1
+=========
+Contributors:
+  Piotr Drąg
+
+Translations:
+  Marek Černocký [cs], Balázs Úr [hu]
+
 3.21.90
 =======
 * Improve on-screen keyboard on wayland [Carlos; #765009]
diff --git a/configure.ac b/configure.ac
index 71bfe67..f655680 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ(2.63)
-AC_INIT([gnome-shell],[3.21.90],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell],[gnome-shell])
+AC_INIT([gnome-shell],[3.21.90.1],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell],[gnome-shell])
 AX_IS_RELEASE([git-directory])
 
 AC_CONFIG_HEADERS([config.h])