it's just the authoritative dirservers we want to not forget
svn:r2173
for (i = 0; i < smartlist_len(routerlist->routers); ++i) {
router = smartlist_get(routerlist->routers, i);
if (router->published_on <= cutoff &&
-/* XXX008 don't get fooled by cached dir ports */
- !router->dir_port) {
+ !router->is_trusted_dir) {
/* Too old. Remove it. But never remove dirservers! */
log_fn(LOG_INFO,"Forgetting obsolete routerinfo for node %s.", router->nickname);
routerinfo_free(router);