Log Message:-----------Update PAM documentation, per Alvaro.
Modified Files:-------------- pgsql/doc/src/sgml: client-auth.sgml (r1.77 -> r1.78) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/client-auth.sgml.diff?r1=1.77&r2=1.78)