* kame/sys/netkey/key.c: - improve key_spdget() to get a policy by policy id. - add key_spddelete2() to delete policy by policy id. * kame/sys/net/pfkeyv2.h: - add a new member, sadb_x_policy_id, into sadb_x_policy structure. - add a new message type, SADB_X_SPDDELETE2 in order to distinguish   key_spddelete(). * kame/kame/libipsec: - simplify pfkey_send_spdget(). no require src/dst addresses. - add pfkey_send_spddelete2() to delete policy by policy id.
* kame/sys/netkey/key.c:
- improve key_spdget() to get a policy by policy id.
- add key_spddelete2() to delete policy by policy id.
* kame/sys/net/pfkeyv2.h:
- add a new member, sadb_x_policy_id, into sadb_x_policy structure.
- add a new message type, SADB_X_SPDDELETE2 in order to distinguish
  key_spddelete().
* kame/kame/libipsec:
- simplify pfkey_send_spdget(). no require src/dst addresses.
- add pfkey_send_spddelete2() to delete policy by policy id.

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