upstream commit

increasing encounters with difficult DNS setups in
 darknets has convinced me UseDNS off by default is better ok djm
diff --git a/servconf.c b/servconf.c
index 475076b..3185462 100644
--- a/servconf.c
+++ b/servconf.c
@@ -1,5 +1,5 @@
 
-/* $OpenBSD: servconf.c,v 1.259 2015/01/16 06:40:12 deraadt Exp $ */
+/* $OpenBSD: servconf.c,v 1.260 2015/02/02 01:57:44 deraadt Exp $ */
 /*
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
  *                    All rights reserved
@@ -308,7 +308,7 @@
 	if (options->max_sessions == -1)
 		options->max_sessions = DEFAULT_SESSIONS_MAX;
 	if (options->use_dns == -1)
-		options->use_dns = 1;
+		options->use_dns = 0;
 	if (options->client_alive_interval == -1)
 		options->client_alive_interval = 0;
 	if (options->client_alive_count_max == -1)