pgsql-server: Update wording: < This would require some background

Log Message:
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Update wording:

< This would require some background daemon to maintain clustering

This might require some background daemon to maintain clustering

397,398c397,398
< paritally filled for easier reorganization. It also might require
< creating a merged heap/index data file so an index lookup would

paritally filled for easier reorganization. Another idea would
be to create a merged heap/index data file so an index lookup would

Modified Files:
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pgsql-server/doc:
TODO (r1.1345 -> r1.1346)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/doc/TODO.diff?r1=1.1345&amp;r2=1.1346)