Log Message:
-----------
Add a note about SystemTap vs DTrace spelling of probe names.
Modified Files:
--------------
pgsql/doc/src/sgml:
monitoring.sgml (r1.70 -> r1.71)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/monitoring.sgml?r1=1.70&r2=1.71)