Bump copyright years to 2016-2018 as it was before the previous commit.

diff --git a/lib/libcrypto/kdf/kdf.h b/lib/libcrypto/kdf/kdf.h
index d7a38f0..02b01e7 100644 (file)
--- a/lib/libcrypto/kdf/kdf.h
+++ b/lib/libcrypto/kdf/kdf.h
@@ -3,7 +3,7 @@
  * project.
  */
 /* ====================================================================
- * Copyright (c) 2016 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 2016-2018 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions