Log Message:
-----------
Only show source file and line numbers to superusers, for consistent
security level with other parts of the system.
Per gripe from Tom
Modified Files:
--------------
pgsql/src/backend/utils/misc:
guc.c (r1.472 -> r1.473)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/misc/guc.c?r1=1.472&r2=1.473)