apacheHttpdPackages.mod_tile: add passthru.updateScript

pkgs/servers/http/apache-modules/mod_tile/default.nix

@@ -15,6 +15,7 @@
 , iniparser
 , libmemcached
 , mapnik
+, nix-update-script
 }:
 
 stdenv.mkDerivation rec {
@@ -64,6 +65,8 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
 
+  passthru.updateScript = nix-update-script { };
+
   meta = with lib; {
     homepage = "https://github.com/openstreetmap/mod_tile";
     description = "Efficiently render and serve OpenStreetMap tiles using Apache and Mapnik";