Fix check_2 to -le 644
Fix check_2 to -le 644

Issue #459 raised that check_2 was only checking for 644 or 600 permissions, this now checks for anything less than or equal to 644.

Signed-off-by: 5a8ebf2aa82d591faeb7e5d9cb876fc846052d95@users.noreply.github.com
docker/docker-bench-security,konstruktoid/docker-bench-security