[mutter/gnome-3-28] Bump version to 3.28.4

[Florian Müllner <fmuellner src gnome org>]

commit e3564242820684bd44c52808e6183e25147fd808
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue May 14 14:25:51 2019 +0000

    Bump version to 3.28.4
    
    Update NEWS.

 NEWS         | 27 +++++++++++++++++++++++++++
 configure.ac |  2 +-
 2 files changed, 28 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index 92090cc50..d7df9cbee 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,30 @@
+3.28.4
+======
+* Don't expose resolutions that are below the minimum [Andrea; #793223]
+* Fix lock up with some DRI drivers [Alex; #127]
+* Improve grab-device clock updates on X11 [Jeff; !174]
+* Prevent clients from modifying the shared keymap [Jonas; #784206]
+* Fix screen rotation regression [Jonas; #216]
+* Fix non-lowercase letters on virtual key devices [Carlos; gnome-shell#135]
+* Send correct button codes from virtual evdev devices [Jonas; !190]
+* Avoid crash when a cursor is not found [Sebastian; #254]
+* Improve EGLstream support [Miguel; #2, #782575]
+* Handle requests to unmanaged windows gracefully [Jonas; #240]
+* Improve support for proprietary Nvidia driver [Jonas; #790316]
+* Fix handling of non-UTF8 encodings [Florian; !227]
+* Consider remapped keys when guessing keycode from keysym [Andrea; #443]
+* Fix support of extended characters in on-screen keyboard [Andrea; #109]
+* Various crash fixes [Jonas, Olivier, Florian, Marco; #70, #189, #15,
+  #130, #255, #194, #336, #576]
+* Misc. bug fixes [Iain, Jonas, Sam, Carlos, Florian, Olivier, Marco; #223,
+  #192, #788834, #782344, !130, #134, #221, #306, #279, #331, !557]
+
+Contributors:
+  Jonas Ådahl, Andrea Azzarone, Olivier Fourdan, Carlos Garnacho,
+  Sebastian Keller, Iain Lane, Alex Villacís Lasso, Florian Müllner,
+  Bastien Nocera, Aaron Plattner, Jeff Smith, Sam Spilsbury,
+  Marco Trevisan (Treviño), Miguel A. Vico, Daniel van Vugt
+
 3.28.3
 ======
 * Handle touch events on server-side titlebars [Carlos; #770185]
diff --git a/configure.ac b/configure.ac
index e795159a1..de349bdbd 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], [28])
-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])