pgsql-server: Remove item because it is on the open item list: < * Fix

Log Message:
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Remove item because it is on the open item list:

< * Fix oid2name and dbsize for tablespaces

Modified Files:
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pgsql-server/doc:
TODO (r1.1346 -> r1.1347)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/doc/TODO.diff?r1=1.1346&amp;r2=1.1347)