Log Message:
-----------
Update documentation to match pg_stat_activity changes.
Modified Files:
--------------
pgsql/doc/src/sgml:
monitoring.sgml (r1.79 -> r1.80)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/monitoring.sgml?r1=1.79&r2=1.80)