dmenu2: Cosmetic change

pkgs/applications/misc/dmenu2/default.nix

···
   meta = {
       description = "A patched fork of the original dmenu - an efficient dynamic menu for X";
       homepage = https://bitbucket.org/melek/dmenu2;
-      license = stdenv.lib.licenses.mit;
-      maintainers = with maintainers; [ cstrahan ];
+      license = licenses.mit;
+      maintainers = [ maintainers.cstrahan ];
       platforms = platforms.all;
   };
 }