Log Message:
-----------
Update description of walrcv_receive() function to match reality.
Modified Files:
--------------
pgsql/src/backend/replication:
README (r1.2 -> r1.3)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/replication/README?r1=1.2&r2=1.3)