Looking at the license text, flock.c is under the MIT license (see
https://spdx.org/licenses/MIT).
Add an SPDX license identifier header and add to the list of licenses the
source so everything is correctly listed/identified.
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
* LGPL-2.1-or-later - GNU Lesser General Public License 2.1 or any later version
+ * MIT - MIT License
+
* BSD-2-Clause - Simplified BSD License
* BSD-3-Clause - BSD 3-Clause "New" or "Revised" License
-/* Copyright 2003-2005 H. Peter Anvin - All Rights Reserved
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright 2003-2005 H. Peter Anvin - All Rights Reserved
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation