update copyright notice / whitespace

bin/tests/system/checkconf/bad-update-policy3.conf

@@ -1,3 +1,11 @@
+/*
+ * Copyright (C) 2018  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
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
 zone "example.com" {
 	type master;
 	file "example.com.db";