Log Message:
-----------
Make sure elog behaves sanely if invoked before GUC initializes.
Modified Files:
--------------
pgsql-server/src/backend/utils/error:
elog.c (r1.137 -> r1.138)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/utils/error/elog.c.diff?r1=1.137&r2=1.138)