ebuild: apply_priorities (PORTAGE_NICENESS)

Respect PORTAGE_NICENESS variable.

Closes: https://github.com/gentoo/portage/pull/441
Signed-off-by: Felix Neumärker <xdch47@posteo.de>
Signed-off-by: Zac Medico <zmedico@gentoo.org>
1 file changed