From d732409402c18c447eea7e06f32885706377ebd3 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Thu, 2 Feb 2017 09:36:36 -0500
Subject: [PATCH] In dirserv_single_reachability_test, node can be const.

---
 src/or/dirserv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/or/dirserv.c b/src/or/dirserv.c
index 59d0c88381..d1670bf71a 100644
--- a/src/or/dirserv.c
+++ b/src/or/dirserv.c
@@ -3263,13 +3263,13 @@ dirserv_single_reachability_test(time_t now, routerinfo_t *router)
 {
   const or_options_t *options = get_options();
   channel_t *chan = NULL;
-  node_t *node = NULL;
+  const node_t *node = NULL;
   tor_addr_t router_addr;
   const ed25519_public_key_t *ed_id_key;
   (void) now;
 
   tor_assert(router);
-  node = node_get_mutable_by_id(router->cache_info.identity_digest);
+  node = node_get_by_id(router->cache_info.identity_digest);
   tor_assert(node);
 
   if (options->AuthDirTestEd25519LinkKeys &&