List perl modules to install, explicitely.

debian/dpkg.install

@@ -34,7 +34,8 @@ usr/share/man/*/*/start-stop-daemon.8
 usr/share/man/*/start-stop-daemon.8
 usr/share/man/*/*/update-alternatives.8
 usr/share/man/*/update-alternatives.8
-usr/share/perl5
+usr/share/perl5/Dpkg.pm
+usr/share/perl5/Dpkg/Gettext.pm
 var/lib/dpkg/alternatives
 var/lib/dpkg/info
 var/lib/dpkg/parts