change default unbound config to enable the control socket, without using

keys/certificates for auth. ok florian@

src/etc/unbound.conf

@@ -1,4 +1,4 @@
-# $OpenBSD: unbound.conf,v 1.4 2014/04/02 21:43:30 millert Exp $
+# $OpenBSD: unbound.conf,v 1.5 2015/07/19 17:29:42 sthen Exp $
 
 server:
 	interface: 127.0.0.1
@@ -37,6 +37,11 @@ server:
 	#
 	#tcp-upstream: yes
 
+remote-control:
+	control-enable: yes
+	control-use-cert: no
+	control-interface: /var/run/unbound.sock
+
 # Use an upstream forwarder (recursive resolver) for specific zones.
 # Example addresses given below are public resolvers valid as of 2014/03.
 #