Log Message:-----------Fix spelling typo in comment.
Modified Files:-------------- pgsql/doc/src/sgml: libpq.sgml (r1.254 -> r1.255) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/libpq.sgml?r1=1.254&r2=1.255) runtime.sgml (r1.406 -> r1.407) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/runtime.sgml?r1=1.406&r2=1.407)