rewrite the receive filter programming to look similar to other drivers - from brad;  while here initialized a stack variable before usage as pointed out by david hill.
rewrite the receive filter programming to look similar to other
drivers - from brad;  while here initialized a stack variable
before usage as pointed out by david hill.

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