Add a license header for testing/tools/make_expected.sh.
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/1259963005 .
diff --git a/testing/tools/make_expected.sh b/testing/tools/make_expected.sh
index c6e50dc..3d4252f 100755
--- a/testing/tools/make_expected.sh
+++ b/testing/tools/make_expected.sh
@@ -1,5 +1,9 @@
#!/bin/bash
#
+# Copyright 2015 PDFium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
# Script to generate expected result files.
#
set -e
