Log Message:
-----------
Reduce the permissions check needed to use pgrowlocks() to having
SELECT on the target table. Per discussion.
Modified Files:
--------------
pgsql/contrib/pgrowlocks:
pgrowlocks.c (r1.6 -> r1.7)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pgrowlocks/pgrowlocks.c?r1=1.6&r2=1.7)