Make launch_direct_bridge_descriptor_fetch use dirreqs.

    return;

  }

  directory_initiate_command(&bridge->addr, bridge->port,

                             NULL, 0, /*no dirport*/

                             bridge->identity,

                             DIR_PURPOSE_FETCH_SERVERDESC,

                             ROUTER_PURPOSE_BRIDGE,

                             DIRIND_ONEHOP, "authority.z", NULL, 0, 0);

  tor_addr_port_t bridge_addrport;

  memcpy(&bridge_addrport.addr, &bridge->addr, sizeof(tor_addr_t));

  bridge_addrport.port = bridge->port;

  directory_request_t *req =

    directory_request_new(DIR_PURPOSE_FETCH_SERVERDESC);

  directory_request_set_or_addr_port(req, &bridge_addrport);

  directory_request_set_directory_id_digest(req, bridge->identity);

  directory_request_set_router_purpose(req, ROUTER_PURPOSE_BRIDGE);

  directory_request_set_resource(req, "authority.z");

  directory_initiate_request(req);

  directory_request_free(req);

}

/** Fetching the bridge descriptor from the bridge authority returned a