[4326] copyright

src/lib/util/time_utilities.cc

@@ -1,4 +1,4 @@
-// Copyright (C) 2010-2015 Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2010-2016 Internet Systems Consortium, Inc. ("ISC")
 //
 // This Source Code Form is subject to the terms of the Mozilla Public
 // License, v. 2.0. If a copy of the MPL was not distributed with this