[mutter] Bump version to 3.25.4

[Florian Müllner <fmuellner src gnome org>]

commit fe6e24ddbd93410c6bab9aecc83ffb04eb9894c8
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Jul 19 20:19:11 2017 +0200

    Bump version to 3.25.4
    
    Update NEWS.

 NEWS         |   19 +++++++++++++++++++
 configure.ac |    2 +-
 2 files changed, 20 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 78ebdb0..65fffcf 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,22 @@
+3.25.4
+======
+* Do not throttle motion events on tablet tools [Carlos; #783535]
+* Handle left-handed mode on pen/eraser devices [Carlos; #782027]
+* Add wl_surface.damage_buffer() support [Jonas; #784080]
+* Fix crash when moving across on-adjacent monitors [Jonas; #783630]
+* Fix window moving/resizing via tablet tools [Jason; #777333]
+* Support fractional monitor scaling [Jonas, Marco; #765011]
+* Keep override-redirect windows stacked on top [Rui; #780485]
+* Implement tablet rings/strips configuration [Carlos; #782033]
+* Support tablet wheel events on wayland [Jason; #783716]
+* Move g-s-d xrandr functionality into mutter [Rui; #781906]
+* Misc. bug fixes [Florian, Jason, Miguel, Carlos, Jonas; #783502, #784009,
+  #784223, #784272, #784402, #784881, #762083, #784867, #781723]
+
+Contributors:
+  Jonas Ådahl, Miguel A. Vico, Emmanuele Bassi, Carlos Garnacho, Jason Gerecke,
+  Rui Matos, Florian Müllner, Marco Trevisan (Treviño)
+
 3.25.3
 ======
 * Ignore hotplug-mode-update value on startup [Marco; #783073]
diff --git a/configure.ac b/configure.ac
index d152870..92ae00e 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], [25])
-m4_define([mutter_micro_version], [3])
+m4_define([mutter_micro_version], [4])
 
 m4_define([mutter_version],
           [mutter_major_version.mutter_minor_version.mutter_micro_version])