[mutter] Bump version to 3.17.3

[Florian Müllner <fmuellner src gnome org>]

commit d5d95b2834229a58c334285af987f0d24c67c1ae
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu Jul 2 13:51:22 2015 +0200

    Bump version to 3.17.3
    
    Update NEWS.

 NEWS         |   16 ++++++++++++++++
 configure.ac |    2 +-
 2 files changed, 17 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index b194a34..57c88a3 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,19 @@
+3.17.3
+======
+* Add X11/wayland clipboard interaction [Carlos; #738312]
+* Support VM monitor layout hints on wayland [Thomas; #750363]
+* Misc. bug fixes [Rui, Jonas, Olivier, Carlos, Ting-Wei, Peter, Florian;
+  #749994, #750256, #749716, #748705, #750552, #751036, #750007, #751136,
+  #750552, #751471, #751715, #750680]
+
+Contributors:
+  Jonas Ådahl, Dave Airlie, Cosimo Cecchi, Olivier Fourdan, Carlos Garnacho,
+  Thomas Hellstrom, Peter Hutterer, Ting-Wei Lan, Jasper Lievisse Adriaanse,
+  Rui Matos, Florian Müllner, Jasper St. Pierre
+
+Translations:
+  Marek Černocký [cs], Christian Kirbach [de], Pedro Albuquerque [pt]
+
 3.17.2
 ======
 * Honor default value for click method setting [Rui; #746290]
diff --git a/configure.ac b/configure.ac
index c274796..e141004 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], [17])
-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])