replace hand-rolled CRC calculation in multicast hash setup with calls to ether_crc32_*(); ok mcbride@
replace hand-rolled CRC calculation in multicast hash setup with calls to
ether_crc32_*(); ok mcbride@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars