r8169: fix a typo in a comment

Replace "additonal" by "additional" in a comment.
Typo found by checkpatch.pl.

Signed-off-by: Corentin Musard <corentinmusard@gmail.com>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Corentin Musard 2019-07-24 14:34:43 +02:00 • committed by David S. Miller
commit ed72a9bb9a