FreeBSD src

Max Laier f43690eb9e Import another fix from the OpenBSD-Stable branch: ... Fix by dhartmei@ and mcbride@ 1.433 Properly m_copyback() modified TCP sequence number after demodulation 1.432 Fix icmp checksum when sequence number modlation is being used. Also fix a daddr vs saddr cut-n-paste error in ICMP error handling. Fixes PR 3724		2004-04-11 17:28:22 +00:00
sys/contrib/pf	Import another fix from the OpenBSD-Stable branch:	2004-04-11 17:28:22 +00:00