added boilerplate

tests/test-zstd-speed.py

@@ -1,5 +1,14 @@
 #! /usr/bin/env python
 
+#
+# Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree. An additional grant
+# of patent rights can be found in the PATENTS file in the same directory.
+#
+
 import argparse
 import os
 import string