* kame/sys/netkey: delete sadb_x_ident_id_addr.  don't send a pair of addresses by including acquire message to a user.
* kame/sys/netkey:
delete sadb_x_ident_id_addr.  don't send a pair of addresses
by including acquire message to a user.

* kame/kame/racoon/pfkey.c:
SADB_EXT_IDENTITY_{SRC,DST} is not required to parse SADB_ACQUIRE
message any more.

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame