pgsql: Add URL.

Log Message:
-----------
Add URL.

http://archives.postgresql.org/pgsql-patches/2006-06/msg00096.php

Modified Files:
--------------
pgsql/doc:
TODO (r1.1845 -> r1.1846)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1845&r2=1.1846)
pgsql/doc/src/FAQ:
TODO.html (r1.348 -> r1.349)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.348&r2=1.349)