Log Message:
-----------
Update Japanese readme for pgstattuple.
Modified Files:
--------------
pgsql/contrib/pgstattuple:
README.pgstattuple.euc_jp (r1.7 -> r1.8)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pgstattuple/README.pgstattuple.euc_jp.diff?r1=1.7&r2=1.8)