Bump copyright.

src/etc/rc.d/rc.subr

@@ -1,6 +1,6 @@
-#	$OpenBSD: rc.subr,v 1.109 2016/04/26 16:59:15 ajacoutot Exp $
+#	$OpenBSD: rc.subr,v 1.110 2016/04/26 17:00:20 ajacoutot Exp $
 #
-# Copyright (c) 2010, 2011, 2014, 2015 Antoine Jacoutot <ajacoutot@openbsd.org>
+# Copyright (c) 2010, 2011, 2014-2016 Antoine Jacoutot <ajacoutot@openbsd.org>
 # Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
 # Copyright (c) 2010, 2011, 2014 Robert Nagy <robert@openbsd.org>
 #