The convert-spdx-licenses.py script needs the same file closing
fix as was made to convert-variable-renames to ensure modified
file contents get flushed out.
(From OE-Core rev: 46135c87345c7189053dafbed92c754f9f328c32)
Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>