pgsql: Record location of partial patch : > * Allow WAL information to

Log Message:
-----------
Record location of partial patch :

* Allow WAL information to recover corrupted pg_controldata

See partially completed patch and additional work required at
http://archives.postgresql.org/pgsql-patches/2006-06/msg00025.php.

Modified Files:
--------------
pgsql/doc:
TODO (r1.1830 -> r1.1831)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1830&r2=1.1831)
pgsql/doc/src/FAQ:
TODO.html (r1.333 -> r1.334)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.333&r2=1.334)