fix year in LICENSE

2019-04-16 12:44:12 +01:00 · 2019-04-16 12:44:12 +01:00 · cb2126fe1d
--- a/2
+++ b/2
@ -1,4 +1,4 @@
-Copyright (c) 2018 GitHub, Inc.
+Copyright (c) 2019 GitHub, Inc.

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