[gnome-session] NEWS: update for release

[Ray Strode <halfline src gnome org>]

commit c91d138b33a96cf9ccc36893899db9abb8f272bb
Author: Ray Strode <rstrode redhat com>
Date:   Wed Jun 21 18:11:45 2017 -0400

    NEWS: update for release

 NEWS |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index b44e832..2d546f5 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,17 @@
 ===============
+Version 3.25.3
+===============
+
+       * improved error messages with systemd integration
+       * fix crash in fail whale if X dies
+       * fix warning/crash when iterating over extensions
+       * kill dbus clients at logout
+       * leverage unicode for clarity and aesthetics
+       * BSD support improvements
+       * drop old SSH_AUTH_SOCK on wayland workaround
+       * Translation updates
+
+===============
 Version 3.24.1
 ===============
        - autogoo degooing