[metacity] bump version to 3.15.2, update NEWS

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 6cc8be29df24fca7a621c33fba349eb5da2554f2
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Mon Nov 24 20:20:26 2014 +0200

    bump version to 3.15.2, update NEWS

 NEWS         |    4 ++++
 configure.ac |    4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index 1da59a5..be7074b 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+Version 3.15.2
+==============
+- Fix deprecated warnings. (Alberts Muktupāvels)
+
 Version 3.14.3
 ==============
 - Use correct icon name [image-missing] for missing icon. (Alberts Muktupāvels)
diff --git a/configure.ac b/configure.ac
index 5587f0c..a5c9315 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,8 +1,8 @@
 AC_PREREQ(2.50)
 
 m4_define([metacity_major_version], [3])
-m4_define([metacity_minor_version], [14])
-m4_define([metacity_micro_version], [3])
+m4_define([metacity_minor_version], [15])
+m4_define([metacity_micro_version], [2])
 
 m4_define([metacity_version],
           [metacity_major_version.metacity_minor_version.metacity_micro_version])