Drop hardcoded "en.html" suffix in apt-secure manpage.

Thanks to David Prevot.

debian/changelog

@@ -3,6 +3,8 @@ apt (0.8.15.11) UNRELEASED; urgency=low
   * Fix typo in apt-get(8). Closes: #664833
   * Replace "argument" by "paramètre" in French translation.
     Merci, les Titeps!
+  * Drop hardcoded "en.html" suffix in apt-secure manpage.
+    Thanks to David Prevot.
 
  -- Christian Perrier <bubulle@debian.org>  Tue, 27 Mar 2012 20:31:38 +0200
 

doc/apt-secure.8.xml

@@ -190,7 +190,7 @@
 
 <para>For more background information you might want to review the
 <ulink
-url="http://www.debian.org/doc/manuals/securing-debian-howto/ch7.en.html">Debian
+url="http://www.debian.org/doc/manuals/securing-debian-howto/ch7">Debian
 Security Infrastructure</ulink> chapter of the Securing Debian Manual
 (available also in the harden-doc package) and the
 <ulink url="http://www.cryptnet.net/fdp/crypto/strong_distro.html"