[mutter] Bump version to 3.26.1

[Florian Müllner <fmuellner src gnome org>]

commit 0e154ccf76aeb97c7e4b541322b4a1e898609936
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Oct 4 02:31:42 2017 +0200

    Bump version to 3.26.1
    
    Update NEWS.

 NEWS         |   26 ++++++++++++++++++++++++++
 configure.ac |    2 +-
 2 files changed, 27 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 9677b92..495d919 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,29 @@
+3.26.1
+======
+* Fix crash when respawning shortcut inhibitor dialog [Olivier; #787568]
+* Fix crash during monitor configuration migration [Carlos, Jonas; #787668]
+* Fix multihead regressions in X11 session [Jonas; #787477]
+* Fix screen rotation regressions [Hans; #787836]
+* Fix keybindings not being resolved with non-latin layouts [Jonas; #787016]
+* Support snap packages for sandboxed app IDs [Marco; #788217]
+* Fix crash when reconnecting tablet device [Jason; #787649]
+* Support running headless [Jonas; #730551, #787637]
+* Support _NET_RESTACK_WINDOW and ConfigureRequest siblings [Vasilis; #786365]
+* Fix monitor layout not being remembered across sessions [Jonas; #787629]
+* Make sure to export _NET_NUMBER_OF_DESKTOPS [Florian; #760651]
+* Allow resizing of tiled windows [Georges, Florian; #645153]
+* Export tiling information to clients [Georges; #751857]
+* Misc. bug fixes [Jonas, Florian, Jeremy, Rico; #787570, #787715, #787953,
+  #788049, #788199, #788292, #788197]
+
+Contributors:
+  Jonas Ådahl, Andrea Azzarone, Georges Basile Stavracas Neto, Hans de Goede,
+  Olivier Fourdan, Carlos Garnacho, Jason Gerecke, Vasilis Liaskovitis,
+  Rui Matos, Florian Müllner, Jeremy Soller, Marco Trevisan, Rico Tzschichholz
+
+Translations:
+  Matej Urbančič [sl], gogo [hr], Cheng-Chia Tseng [zh_TW]
+
 3.26.0
 ======
 Contributors:
diff --git a/configure.ac b/configure.ac
index 8057079..89c15e2 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], [26])
-m4_define([mutter_micro_version], [0])
+m4_define([mutter_micro_version], [1])
 
 m4_define([mutter_version],
           [mutter_major_version.mutter_minor_version.mutter_micro_version])