Be quieter about failing to decode authority digests

This was freaking out some relay operators without good reason, as
it is nothing the relay operator can do anything about anyways.

Quieting this warning suggested by rieo.

diff --git a/src/or/directory.c b/src/or/directory.c
index 30c08b84b246de0ad0c31914b29b7ef1bfe08f9e..ef0816eb41961c43553f30d7255ccbffbec0ec16 100644 (file)
--- a/src/or/directory.c
+++ b/src/or/directory.c
@@ -2334,7 +2334,8 @@ client_likes_consensus(networkstatus_t *v, const char *want_url)
       want_len = DIGEST_LEN;
 
     if (base16_decode(want_digest, DIGEST_LEN, d, want_len*2) < 0) {
-      log_warn(LD_DIR,"Failed to decode requested authority digest %s.", d);
+      log_fn(LOG_PROTOCOL_WARN, LD_DIR,
+             "Failed to decode requested authority digest %s.", d);
       continue;
     };