Add (finally!) a changelog entry about the switch to po4a

Add a Build-Depends on po4a

debian/changelog

@@ -26,6 +26,10 @@ dpkg (1.13.14~) UNRELEASED; urgency=low
   * Fix some semantic errors in dpkg-shlibdeps due to typos in used
     variables.
 
+  [ Christian Perrier ]
+  * Switch to po4a for manpages translation. Closes: #320122
+    This adds a Build6Depends on po4a
+
  -- Guillem Jover <guillem@debian.org>  Sun, 29 Jan 2006 06:02:58 +0200
 
 dpkg (1.13.13) unstable; urgency=low

debian/control

@@ -6,7 +6,7 @@ Uploaders: Frank Lichtenheld <djpig@debian.org>, Guillem Jover <guillem@debian.o
 Origin: debian
 Bugs: debbugs://bugs.debian.org
 Standards-Version: 3.6.2
-Build-Depends: debhelper (>= 4.1.81), libncurses5-dev | libncurses-dev, zlib1g-dev (>= 1:1.1.3-19.1), libbz2-dev, libsepol1-dev [!hurd-i386 !kfreebsd-i386], libselinux1-dev [!hurd-i386 !kfreebsd-i386]
+Build-Depends: debhelper (>= 4.1.81), libncurses5-dev | libncurses-dev, zlib1g-dev (>= 1:1.1.3-19.1), libbz2-dev, libsepol1-dev [!hurd-i386 !kfreebsd-i386], libselinux1-dev [!hurd-i386 !kfreebsd-i386], po4a
 
 Package: dpkg
 Architecture: any