[totem/mallard-documentation] Fix help links to sound page

[Ekaterina Gerasimova <egerasimov src gnome org>]

commit 591777004cd939202d1d2227c5e0db334e44ad7d
Author: Ekaterina Gerasimova <kittykat3756 gmail com>
Date:   Fri Mar 29 17:54:45 2013 +0000

    Fix help links to sound page

 help/C/navigation.page |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/help/C/navigation.page b/help/C/navigation.page
index b59b5ea..c6531a4 100644
--- a/help/C/navigation.page
+++ b/help/C/navigation.page
@@ -5,7 +5,6 @@
   <info>
     <link type="guide" xref="index#playing-media"/>
     <link type="seealso" xref="keyboard-shortcuts"/>
-    <link type="seealso" xref="adjustment-sound"/>
     <link type="seealso" xref="sidebar"/>
     <desc>Navigate <app>Totem</app> while playing media.</desc>
     <credit type="author">
@@ -57,7 +56,7 @@
     </item>
     <item>
       <p>Adjust volume. For further information see
-      <link xref="adjustment-sound"/> page.</p>
+      <link xref="volume"/> page.</p>
     </item>
     <item>
       <p>View the sidebar. Get to know more about it from