[mutter] Bump version to 3.23.90

[Florian Müllner <fmuellner src gnome org>]

commit f97b2d49f502295345728a14bb1839b268a87823
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu Feb 16 00:29:08 2017 +0100

    Bump version to 3.23.90
    
    Update NEWS.

 NEWS         |   28 ++++++++++++++++++++++++++++
 configure.ac |    2 +-
 2 files changed, 29 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index e9a87a8..80b0107 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,31 @@
+3.23.90
+=======
+* Fix window menu placement with HiDPI [Jonas; #776055]
+* Improve EGLStream support [Jonas; #773629]
+* Start moving low-level monitor configuration into mutter [Jonas; #777732]
+* Fix erroneous key event repeats [Rui; #774989]
+* Don't hardcode seat ID in ClutterDeviceManager [Carlos; #778092]
+* Fix "ghost" cursors in multi-monitor setups [Jonas; #771056]
+* Use eglGetPlatformDisplay [Adam; #772422]
+* Fix erratic raise_or_lower behavior [Jose; #705200]
+* Fix coordinate mapping of absolute devices [Carlos; #774115]
+* Show OSD on tablet mode switches [Carlos; #771098]
+* Make mutter libs parallel installable [Jonas; #777317]
+* Only apply keymap when not running nested [Jonas; #777800]
+* Set right scale for tablet tool cursors on HiDPI [Carlos; #778474]
+* Adjust server-side shadows to match Adwaita [Juraj; #744667]
+* Misc. bug fixes [Jonas, Bastien, Carlos, Peter, Lionel, Jeremy, Florian;
+  #774891, #777389, #777691, #778262, #776543, #778684, #778699, #744667]
+
+Contributors:
+  Jonas Ådahl, Jeremy Bicha, Piotr Drąg, Juraj Fiala, Carlos Garnacho,
+  Peter Hutterer, Adam Jackson, Lionel Landwerlin, Jose Marino, Rui Matos,
+  Florian Müllner, Bastien Nocera
+
+Translations:
+  Kjartan Maraas [nb], Mandy Wang [zh_CN], Marek Černocký [cs],
+  Anders Jonsson [sv], Dušan Kazik [sk], Piotr Drąg [pl], Matej Urbančič [sl]
+
 3.23.3
 ======
 * Fix frequent freezes in multihead setups on wayland [Rui; #774557]
diff --git a/configure.ac b/configure.ac
index 0c75a8f..5a935ee 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ AC_PREREQ(2.62)
 
 m4_define([mutter_major_version], [3])
 m4_define([mutter_minor_version], [23])
-m4_define([mutter_micro_version], [3])
+m4_define([mutter_micro_version], [90])
 
 m4_define([mutter_version],
           [mutter_major_version.mutter_minor_version.mutter_micro_version])