Incoming TCP connections from clients fill the files of a log server.

Incoming TCP connections from clients fill the files of a log server.
A log client reconnects at every SIGHUP.  Write these accept and
close messages with debug priority, then they can be turned on in
syslog.conf.  Default is off.
While there, move a debug message and set the priority of the exit
message explicitly to error.
OK mpf@ millert@