pgsql: Remove pg_dump wording: < pg_get_tabledef(),

Log Message:
-----------
Remove pg_dump wording:

< pg_get_tabledef(), pg_get_domaindef(), pg_get_functiondef(), and
< make use of them in pg_dump

pg_get_tabledef(), pg_get_domaindef(), pg_get_functiondef()

Modified Files:
--------------
pgsql/doc:
TODO (r1.1852 -> r1.1853)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1852&amp;r2=1.1853)
pgsql/doc/src/FAQ:
TODO.html (r1.355 -> r1.356)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.355&amp;r2=1.356)