newsysviews - newsysview: include the toast index size too.

Log Message:
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include the toast index size too. more comments.

Modified Files:
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newsysview/sql:
table_storage.sql (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/newsysviews/newsysview/sql/table_storage.sql.diff?r1=1.2&r2=1.3)