Updated copyright statements

dkim/tests/__init__.py

@@ -19,6 +19,7 @@
 # This has been modified from the original software.
 # Copyright (c) 2016 Google, Inc.
 # Contact: Brandon Long <[email protected]>
+# Copyright (c) 2018 Scott Kitterman <[email protected]>
 
 import unittest
 

dkim/tests/test_dkim_ed25519.py

@@ -15,7 +15,7 @@
 # 3. This notice may not be removed or altered from any source distribution.
 #
 # Copyright (c) 2011 William Grant <[email protected]>
-# Copyright (c) 2017 Scott Kitterman <[email protected]>
+# Copyright (c) 2018 Scott Kitterman <[email protected]>
 
 import email
 import os.path