[pgpool-committers: 8044] pgpool: Doc: fix yum install command typo in configuration example.

[Bo Peng]

Doc: fix yum install command typo in configuration example.

Branch
------
V4_2_STABLE

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=5101594223a093b11ba7467b7263ef18a6bff247

Modified Files
--------------
doc.ja/src/sgml/example-cluster.sgml | 2 +-
doc/src/sgml/example-cluster.sgml    | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)