libxt_multiport: remove an unused variable

Clang's static analyzer flagged the shift this patch removes as
shifting a garbage value. Looks like `m` isn't used at all anyway, so
we can simply remove it.

Signed-off-by: George Burgess IV <gbiv@google.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
1 file changed