pgsql-server: Add: > o Add ALTER INDEX syntax to work like ALTER TABLE

Log Message:
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Add:

o Add ALTER INDEX syntax to work like ALTER TABLE indexname

Modified Files:
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pgsql-server/doc:
TODO (r1.1330 -> r1.1331)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/doc/TODO.diff?r1=1.1330&r2=1.1331)