[gnome-user-docs] Add its namespace to backup-thinkabout

[David King <davidk src gnome org>]

commit 758f6359d855feda613c0327fcbbf4cb22b9ae56
Author: David King <amigadave amigadave com>
Date:   Sat Sep 20 12:27:53 2014 +0100

    Add its namespace to backup-thinkabout

 gnome-help/C/backup-thinkabout.page |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gnome-help/C/backup-thinkabout.page b/gnome-help/C/backup-thinkabout.page
index 777acbe..316476d 100644
--- a/gnome-help/C/backup-thinkabout.page
+++ b/gnome-help/C/backup-thinkabout.page
@@ -1,4 +1,5 @@
 <page xmlns="http://projectmallard.org/1.0/";
+      xmlns:its="http://www.w3.org/2005/11/its";
       type="topic" style="tip"
       id="backup-thinkabout">