Turned two more meta.maintainers into lists

pkgs/development/libraries/gstreamer/legacy/gstreamermm/default.nix

···
 
   nativeBuildInputs = [ pkgconfig ];
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "C++ bindings for the GStreamer streaming multimedia library";
     homepage = http://www.gtkmm.org/;
-    license = stdenv.lib.licenses.lgpl2Plus;
-    maintainers = "Philip Lykke Carlsen <[e-mail]>";
-    platforms = stdenv.lib.platforms.unix;
+    license = licenses.lgpl2Plus;
+    maintainers = with maintainers; [ plcplc ];
+    platforms = platforms.unix;
   };
 
 }

pkgs/servers/kippo/default.nix

···
         mv $out/src/utils/* $out/bin
         '';
 
-    meta = {
+    meta = with stdenv.lib; {
       homepage = https://code.google.com/p/kippo;
       description = "SSH Honeypot";
       longDescription = ''
         Default port is 2222. Recommend using something like this for port redirection to default SSH port:
         networking.firewall.extraCommands = '''
         iptables -t nat -A PREROUTING -i IN_IFACE -p tcp --dport 22 -j REDIRECT --to-port 2222''' '';
-      license = stdenv.lib.licenses.bsd3;
-      platforms = pkgs.stdenv.lib.platforms.linux;
-      maintainers = pkgs.stdenv.lib.maintainers.tomberek;
+      license = licenses.bsd3;
+      platforms = platforms.linux;
+      maintainers = with maintainers; [ tomberek ];
     };
 }