netback: fix typo in comment

"variables a used" should be "variables are used".

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Liu 2011-12-06 02:04:50 +00:00 • committed by David S. Miller
commit e34c0246d6