pcap_pkthdr. This makes /var/log/pflog standart compliant on 64bit archs.
OpenBSD has fixed this by changing the bpf timeval to 32bit in the kernel,
so no need to report this over (again).
PR: bin/71096 (w/ changes)
Submitted by: Ville-Pertti Keinonen
Tested by: amd64(submitter), sparc64(yongari), i386(myself)
MFC after: 3 days