Make "Invalid onion hostname" msg respect SafeLogging.

Patch by Roger; fixes bug 1027.

ChangeLog

-Changes in version 0.2.1.17-rc - 2009-07-02
+Changes in version 0.2.1.17-rc - 2009-07-07
   o Major features:
     - Clients now use the bandwidth values in the consensus, rather than
       the bandwidth values in each relay descriptor. This approach opens
@@ -36,6 +36,8 @@ Changes in version 0.2.1.17-rc - 2009-07-02
     - When we can't find an intro key for a v2 hidden service descriptor,
       fall back to the v0 hidden service descriptor and log a bug message.
       Workaround for bug 1024.
+    - Fix a log message that did not respect the SafeLogging option.
+      Resolves bug 1027.
 
   o Minor features:
     - If we're a relay and we change our IP address, be more verbose

src/or/connection_edge.c

@@ -1484,7 +1484,8 @@ connection_ap_handshake_rewrite_and_attach(edge_connection_t *conn,
   addresstype = parse_extended_hostname(socks->address);
 
   if (addresstype == BAD_HOSTNAME) {
-    log_warn(LD_APP, "Invalid hostname %s; rejecting", socks->address);
+    log_warn(LD_APP, "Invalid onion hostname %s; rejecting",
+             safe_str(socks->address));
     control_event_client_status(LOG_WARN, "SOCKS_BAD_HOSTNAME HOSTNAME=%s",
                                 escaped(socks->address));
     connection_mark_unattached_ap(conn, END_STREAM_REASON_TORPROTOCOL);