pgsql: Add item: > > * Set client encoding based on the client

Log Message:
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Add item:

* Set client encoding based on the client operating system encoding

Currently client_encoding is set in postgresql.conf, which
defaults to the server encoding.

Modified Files:
--------------
pgsql/doc:
TODO (r1.1985 -> r1.1986)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1985&r2=1.1986)
pgsql/doc/src/FAQ:
TODO.html (r1.487 -> r1.488)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.487&r2=1.488)