This allows re-enabling parallel file classification in rpm
in particular, as otherwise libmagic calls out to external
executables, which isn't implemented in a thread-safe way.
(From OE-Core rev: 0515567a846adc5302384cb0a6bfcdb6dd1d8431)
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
