[mutter/gnome-3-18] Bump version to 3.18.3

[Florian Müllner <fmuellner src gnome org>]

commit f0e2e238f3ec98c494a84b17c0f116eac681a3a0
Author: Florian Müllner <fmuellner gnome org>
Date:   Mon Feb 22 16:42:44 2016 +0100

    Bump version to 3.18.3
    
    Update NEWS.

 NEWS         |   11 +++++++++++
 configure.ac |    2 +-
 2 files changed, 12 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 21be80c..83311ec 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,14 @@
+3.18.3
+======
+* Fix initialization of bypass compositor hint [Rui; #758544]
+* Fix crash when initial cursor position is not on a monitor [Marek; #756698]
+* Fix crash when more CRTs are enabled than outputs connected [Rui; #751638]
+* Fix crash during XWayland initialization [Marek; #751845]
+* Ensure to send a ConfigureNotify to just mapped windows [Rui; #759492]
+
+Contributors:
+  Marek Chalupa, Rui Matos, Jasper St. Pierre
+
 3.18.2
 ======
 * Misc. crash fixes [Jonas, Rui; #756675, #756660, #757148, #756796]
diff --git a/configure.ac b/configure.ac
index 0ca5129..b3db9ae 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], [18])
-m4_define([mutter_micro_version], [2])
+m4_define([mutter_micro_version], [3])
 
 m4_define([mutter_version],
           [mutter_major_version.mutter_minor_version.mutter_micro_version])