bapt 1ff3794c18 Improt pf.c 1.636 from OpenBSD
Original log:
Make sure pd2 has a pointer to the icmp header in the payload; fixes
panic seen with some some icmp types in icmp error message payloads.

Obtained from:	OpenBSD
2013-10-27 20:52:09 +00:00
..
2013-10-27 20:52:09 +00:00