[gdm] NEWS: update for release

[Ray Strode <halfline src gnome org>]

commit 8a99919d1b8c1e2c1ae744b1b4658bab3793d280
Author: Ray Strode <rstrode redhat com>
Date:   Mon Mar 6 11:52:55 2017 -0500

    NEWS: update for release

 NEWS |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index ed44380..fe218fc 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,13 @@
+=================
+Version 3.23.91.1
+=================
+- Fix regression in wayland fallback code
+- Fix for headless sessions
+- Change around how PostLogin/PostSession scripts are run
+- Fix XDMCP in network environments with poor network resolution
+- Don't try to user switch with XDMCP
+- Translation updates
+
 ===============
 Version 3.23.91
 ===============