Remove ending year from LICENSE

tianon · tianon · commit 23212355c48a · 2018-07-30T09:14:49.000-07:00
See docker-library/golang#212
diff --git a/LICENSE b/LICENSE
@@ -176,7 +176,7 @@
 
    END OF TERMS AND CONDITIONS
 
-   Copyright 2013-2015 Docker, Inc.
+   Copyright 2013 Docker, Inc.
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
