Log Message:
-----------
Fix a couple of stray misuses of "binary compatible".
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
create_cast.sgml (r1.27 -> r1.28)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_cast.sgml?r1=1.27&r2=1.28)