[gnome-session] NEWS: update for release

[Ray Strode <halfline src gnome org>]

commit 0a775aaa11aae5db0f083aff9a8123af2ec8d6b9
Author: Ray Strode <rstrode redhat com>
Date:   Tue Aug 13 21:56:04 2019 -0400

    NEWS: update for release

 NEWS | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/NEWS b/NEWS
index 6b306dda..b28eb577 100644
--- a/NEWS
+++ b/NEWS
@@ -11,6 +11,10 @@ Version 3.33.90
          If in doubt, only enable the feature and test it by modifying the
          gnome-session launch script to pass --systemd to
          gnome-session-binary.
+       * Update session definitions to match new gnome-settings-daemon
+       * don't show logout button in fail whale when not logged in
+       * handle apps exiting abruptly at log out better
+       * Translation updates
 
 ===============
 Version 3.33.4