Log Message:-----------Remove obsolete tip about casting bool to int, per Taiki Yamaguchi.
Modified Files:-------------- pgsql/doc/src/sgml: datatype.sgml (r1.170 -> r1.171) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/datatype.sgml.diff?r1=1.170&r2=1.171)
