Log Message:
-----------
When reloading postgresql.conf, log what parameters actually changed
Modified Files:
--------------
pgsql/src/backend/utils/misc:
guc-file.l (r1.59 -> r1.60)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/misc/guc-file.l?r1=1.59&r2=1.60)