Log Message:
-----------
Add a note pointing out that you can't log to syslog without tweaking
the syslog configuration file (at least not on most known Unixen).
I dunno why we hadn't had that info in the docs all along ...
Modified Files:
--------------
pgsql/doc/src/sgml:
config.sgml (r1.150 -> r1.151)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/config.sgml?r1=1.150&r2=1.151)