K 10
svn:author
V 5
luigi
K 8
svn:date
V 27
2010-01-07T12:00:54.216707Z
K 7
svn:log
V 212
check that we have an ipv4 packet before swapping ip_len and ip_off.
This should fix the handling of ipv6 packets which i broke when i
made ipfw operate on packets in network format.

Reported by: Hajimu UMEMOTO

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