nls: Add package files for translation.

* po/packages/POTFILES.in: Add a bunch of files.

po/packages/POTFILES.in

@@ -6,24 +6,52 @@ gnu/packages/aspell.scm
 gnu/packages/backup.scm
 gnu/packages/base.scm
 gnu/packages/bittorrent.scm
+gnu/packages/certs.scm
+gnu/packages/compression.scm
 gnu/packages/databases.scm
+gnu/packages/debug.scm
+gnu/packages/dejagnu.scm
+gnu/packages/feh.scm
 gnu/packages/games.scm
 gnu/packages/gcc.scm
+gnu/packages/geeqie.scm
 gnu/packages/gettext.scm
 gnu/packages/gnuzilla.scm
 gnu/packages/gtk.scm
 gnu/packages/guile.scm
-gnu/packages/image.scm
 gnu/packages/imagemagick.scm
+gnu/packages/image.scm
 gnu/packages/inkscape.scm
+gnu/packages/jemalloc.scm
+gnu/packages/key-mon.scm
+gnu/packages/less.scm
+gnu/packages/lesstif.scm
 gnu/packages/linux.scm
 gnu/packages/lout.scm
+gnu/packages/messaging.scm
 gnu/packages/mpd.scm
+gnu/packages/netpbm.scm
+gnu/packages/nettle.scm
+gnu/packages/networking.scm
 gnu/packages/pdf.scm
+gnu/packages/pem.scm
+gnu/packages/perl.scm
 gnu/packages/photo.scm
+gnu/packages/qemu.scm
 gnu/packages/ratpoison.scm
+gnu/packages/readline.scm
 gnu/packages/scanner.scm
 gnu/packages/scheme.scm
+gnu/packages/search.scm
+gnu/packages/serveez.scm
+gnu/packages/telephony.scm
+gnu/packages/texinfo.scm
+gnu/packages/texlive.scm
+gnu/packages/textutils.scm
+gnu/packages/version-control.scm
+gnu/packages/webkit.scm
+gnu/packages/web.scm
+gnu/packages/weechat.scm
 gnu/packages/wordnet.scm
 gnu/packages/xiph.scm
 gnu/packages/zip.scm