pgsql: Add second sentence: <P>The maximum table size, row size, and

Log Message:
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Add second sentence:
<P>The maximum table size, row size, and maximum number of columns
can be quadrupled by increasing the default block size to 32k. The
maximum table size can also be increased using table partitioning.</P>

Modified Files:
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pgsql/doc:
FAQ (r1.380 -> r1.381)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ.diff?r1=1.380&amp;r2=1.381)
pgsql/doc/src/FAQ:
FAQ.html (r1.336 -> r1.337)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ.html.diff?r1=1.336&amp;r2=1.337)