[3694] Update copyright

7e5ee876 · Shawn Routhier · 0133383f · 7e5ee876
Commit 7e5ee876 authored Mar 04, 2015 by Shawn Routhier
--- a/src/bin/dhcp4/tests/dhcp4_client.cc
+++ b/src/bin/dhcp4/tests/dhcp4_client.cc
-// Copyright (C) 2014 Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2014-2015 Internet Systems Consortium, Inc. ("ISC")
 //
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted, provided that the above