util/lint/lint creates a file using mktemp. mktemp on OpenBSD requires at least 6 X's, while only 5 are in the template. Change-Id: I0b80214dd83d21e12e16a5002c68127a7ca2e41b Signed-off-by: Piotr Kubaj <pkubaj@anongoth.pl> Reviewed-on: https://review.coreboot.org/19745 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>