[pgpool-committers: 7323] pgpool: Doc: fix missing configuration example of clustering mode.

[Bo Peng]

Doc: fix missing configuration example of clustering mode.

Branch
------
V4_2_STABLE

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=ebd33af5b6fcee2363c723ecf953d352eb6a0106

Modified Files
--------------
doc.ja/src/sgml/connection-settings.sgml | 12 ++++++++++--
doc/src/sgml/connection-settings.sgml    |  9 +++++++--
2 files changed, 17 insertions(+), 4 deletions(-)