fix: update license year (#16287)

2019-01-05 15:53:20 -05:00 · 2019-01-05 15:53:20 -05:00 · 5957ede41a
--- a/2
+++ b/2
@ -1,4 +1,4 @@
-Copyright (c) 2013-2018 GitHub Inc.
+Copyright (c) 2013-2019 GitHub Inc.

 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the