Update Spanish man page translation

Closes: #683514

[guillem@debian.org:
 - Fix missing POD markup.
 - Unfuzzy translations. ]

Signed-off-by: Guillem Jover <guillem@debian.org>

debian/changelog

@@ -80,6 +80,7 @@ dpkg (1.16.9) UNRELEASED; urgency=low
   * German (Helge Kreutzmann).
   * Japanese (Hideki Yamane). Closes: #685103
   * Polish (Michał Kułach).
+  * Spanish (Omar Campagne). Closes: #683514
   * Swedish (Peter Krefting).
 
  -- Guillem Jover <guillem@debian.org>  Sat, 21 Jul 2012 02:56:48 +0200