[gdm] NEWS: update for release

[Ray Strode <halfline src gnome org>]

commit 5ae4d17282b7f9b230a1e874776896cc5bb92ada
Author: Ray Strode <rstrode redhat com>
Date:   Mon Jan 8 13:52:13 2018 -0500

    NEWS: update for release

 NEWS |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 0b6a3cb..0fde48c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,13 @@
 ==============
+Version 3.27.4
+==============
+- Fix for invalid DISPLAY/XAUTHORITY in session scripts
+- Fix for keyring integration on multidisk systems
+- Set GROUP environment variable
+- Deprecation fixes
+- Translation updates
+
+==============
 Version 3.27.3
 ==============
 - don't call gdm_session_defaults_changed from setup