conky: Enable weather plugins.

Those plugins do not require additional dependencis or at least no dependencies
we don't actually use, so let's build them aswell. And after all, If you work in
your hermetically sealed environment, you surely want to know what's going on
outside.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

pkgs/os-specific/linux/conky/default.nix

@@ -14,7 +14,8 @@ stdenv.mkDerivation rec {
   buildInputs = [ pkgconfig libxml2 curl wirelesstools glib openssl ncurses ];
   configureFlags =
     (map (x: "--disable-${x}") [ "x11" "xdamage" "own-window" "xft" "lua" ])
-    ++ (map (x: "--enable-${x}") [ "mpd" "double-buffer" "wlan" "rss" ]);
+    ++ (map (x: "--enable-${x}") [ "mpd" "double-buffer" "wlan" "rss"
+                                   "weather-metar" "weather-xoap" ]);
 
   meta = {
     homepage = http://conky.sourceforge.net/;