add translation of the manpages to PT (portuguese)

Thanks to Américo Monteiro!

debian/changelog

@@ -11,6 +11,8 @@ apt (0.7.26) UNRELEASED; urgency=low
   * Ignore :qualifiers after package name in build dependencies
     in the library by default, but try to honour them in apt-get
     as we have some sort of MultiArch support ready (Closes: #558103)
+  * add translation of the manpages to PT (portuguese)
+    Thanks to Américo Monteiro!
   * Switch to dpkg-source 3.0 (native) format
   * apt-pkg/depcache.cc:
     - remove Auto-Installed information from extended_states