When using a /32 IPv4 interface address, pfctl(8) reports a 0.0.0.0
as broadcast address. The kernel does not consider this a broadcast
address and ifconfig(8) has a check to exclude it. Use the same
check in pfctl(8).
Found by regress/sbin/pfctl pfi2; OK mikeb@
Obtained from: OpenBSD, bluhm <[email protected]>, cf181e999d
Sponsored by: Rubicon Communications, LLC ("Netgate")
Kristof Provost
4f642f569b