Log Message:
-----------
Remove a confusing pair of parentheses.
Modified Files:
--------------
pgsql/src/backend/utils/mb:
mbutils.c (r1.52 -> r1.53)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/mb/mbutils.c.diff?r1=1.52&r2=1.53)