K 10
svn:author
V 2
ae
K 8
svn:date
V 27
2019-08-13T12:47:53.649895Z
K 7
svn:log
V 271
Save ip_ttl value and restore it after checksum calculation.

Since ipvoly is used for checksum calculation, part of original IP
header is zeroed. This part includes ip_ttl field, that can be used
later in IP_MINTTL socket option handling.

PR:		239799
MFC after:	1 week

END