Log Message:
-----------
Fix typo (extraneous comma).
Modified Files:
--------------
pgsql-server/doc/src/sgml/ref:
cluster.sgml (r1.32 -> r1.33)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/doc/src/sgml/ref/cluster.sgml.diff?r1=1.32&r2=1.33)