xtables-arp: Use xtables_parse_interface()

The local implementation differs just slightly but libxtables version
seems more correct (no needless memsetting of mask, more relevant
illegal character checking) so use that one.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
1 file changed