pgsql: Cause Win32 to output to the event log rather than stderr by

Log Message:
-----------
Cause Win32 to output to the event log rather than stderr by default.

Magnus Hagander

Modified Files:
--------------
pgsql/src/backend/utils/error:
elog.c (r1.156 -> r1.157)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/error/elog.c.diff?r1=1.156&r2=1.157)