[gdm] NEWS: update for release

[Ray Strode <halfline src gnome org>]

commit f81abe08b1bcaeda1bf0bcbfe0b199e41143dda9
Author: Ray Strode <rstrode redhat com>
Date:   Mon Aug 24 12:54:37 2015 -0400

    NEWS: update for release

 NEWS |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index bf8d0f3..e87e380 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+===============
+Version 3.17.90
+===============
+- Fix GDM_LANG corruption that sometimes fails login
+- Rework wtmp handling
+- Code clean ups
+- Translation updates
+
 ==============
 Version 3.17.4
 ==============