Log Message:
-----------
Fix one overlooked ocurrence of "None" in EXEC_BACKEND block.
Modified Files:
--------------
pgsql/src/backend/postmaster:
postmaster.c (r1.473 -> r1.474)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/postmaster.c.diff?r1=1.473&r2=1.474)