c_peer_name unavailable to CLDAP clients (ITS#3312)

[lukeh@padl.com]

Full_Name: Luke Howard
Version: 2.2.15
OS: 
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (203.13.32.92)


Because connectionless clients share connection structure, their address (ie.
the peer address) cannot be associated with a connection. However, it would be
useful to have the peer address stored as part of the operation structure, so it
can be made available to SLAPI plugins.

Thoughts?