On Diital Unix, define _SOCKADDR_LEN now, since sendmsg() needs it.
On Diital Unix, define _SOCKADDR_LEN now, since sendmsg() needs it.

pecharmin/bind9,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,pecharmin/bind9,pecharmin/bind9,each/bind9-collab,each/bind9-collab,each/bind9-collab,each/bind9-collab,each/bind9-collab,pecharmin/bind9