Update to new choose_random_node interface.

svn:r2239

src/or/rendservice.c

@@ -822,7 +822,7 @@ void rend_services_introduce(void) {
     for (j=prev_intro_nodes; j < NUM_INTRO_POINTS; ++j) {
       router = router_choose_random_node(service->intro_prefer_nodes,
                                          service->intro_exclude_nodes,
-                                         exclude_routers, 1, 0);
+                                         exclude_routers, 1, 0, 0);
       if (!router) {
         log_fn(LOG_WARN, "Could only establish %d introduction points for %s",
                smartlist_len(service->intro_nodes), service->service_id);