[glibmm] Correct NEWS again.

[Murray Cumming <murrayc src gnome org>]

commit ec2a7b0e1714100924b993ad971c8ae19f5486c5
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Feb 21 10:09:39 2011 +0100

    Correct NEWS again.

 NEWS |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 459868f..e777881 100644
--- a/NEWS
+++ b/NEWS
@@ -8,6 +8,10 @@ Glib:
   (Kjell Ahlstedt) Bug #588988 (Hubert Figuiere)
   - Make Glib::{Array,List,SList}Handle work with std::vector<bool>.
   (Krzesimir Nowak) Bug 640079
+
+Gio:
+* Moved all DBus* classes into a Gio::DBus namespace.
+  (Murray Cumming)
    
 2.27.93 (unstable):