[gdm] Update NEWS for 2.29.4

[Ray Strode <halfline src gnome org>]

commit 4468e5a90ffdef52933561a43c69316c27acfc32
Author: Ray Strode <rstrode redhat com>
Date:   Mon Dec 21 17:46:30 2009 -0500

    Update NEWS for 2.29.4

 NEWS |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 1dc422c..1b4bfbf 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,14 @@
 ===============
+Version 2.29.4
+===============
+
+- Remove deprecated function g_mapped_file_free
+- Fix option widgets to work better with orca
+- make --with-custom-conf work
+- Don't hard code path to policykit agent
+- Don't backup xkb configuration before login
+
+===============
 Version 2.29.1
 ===============