Mention xxHash in COPYING.

diff --git a/COPYING b/COPYING
index 6d487dd..a158d62 100644 (file)
--- a/COPYING
+++ b/COPYING
@@ -251,3 +251,9 @@ License: NON COMMERCIAL
  Commercialization of this product is prohibited without notifying the
  Department of Energy (DOE) or Lawrence Livermore National Laboratory
  (LLNL).
  Commercialization of this product is prohibited without notifying the
  Department of Energy (DOE) or Lawrence Livermore National Laboratory
  (LLNL).

+
+Files: src/include/xxhash.hpp
+Copyright:
+  Copyright (C) 2012-2018, Yann Collet.
+  Copyright (C) 2017-2018, Piotr Pliszka.
+License: BSD 2-Clause