[evince] help: Fix last commit by adding its namespace

[Andre Klapper <aklapper src gnome org>]

commit 8bc8c4d4f59cdb13a1c7834a92d36084d0358ada
Author: Andre Klapper <a9016009 gmx de>
Date:   Sat Aug 5 15:28:54 2017 +0200

    help: Fix last commit by adding its namespace

 help/C/annotations.page |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/C/annotations.page b/help/C/annotations.page
index 4c2b31d..adce084 100644
--- a/help/C/annotations.page
+++ b/help/C/annotations.page
@@ -1,4 +1,4 @@
-<page xmlns="http://projectmallard.org/1.0/";
+<page xmlns="http://projectmallard.org/1.0/"; xmlns:its="http://www.w3.org/2005/11/its";
       type="guide" style="task"
       id="annotations">