scripts: Update copyright notice dates for 2017

Change-Id: I6adc6a8ac07f2ac11814a6f8cd06b7d5b0c49797
diff --git a/scripts/helper_file_generator.py b/scripts/helper_file_generator.py
index 4f83727..7612dab 100644
--- a/scripts/helper_file_generator.py
+++ b/scripts/helper_file_generator.py
@@ -1,9 +1,9 @@
 #!/usr/bin/python3 -i
 #
-# Copyright (c) 2015-2016 The Khronos Group Inc.
-# Copyright (c) 2015-2016 Valve Corporation
-# Copyright (c) 2015-2016 LunarG, Inc.
-# Copyright (c) 2015-2016 Google Inc.
+# Copyright (c) 2015-2017 The Khronos Group Inc.
+# Copyright (c) 2015-2017 Valve Corporation
+# Copyright (c) 2015-2017 LunarG, Inc.
+# Copyright (c) 2015-2017 Google Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.