[pgpool-committers: 7339] pgpool: Doc: fix usage of firewall-cmd in the installation tips section

[Tatsuo Ishii]

Doc: fix usage of firewall-cmd in the installation tips section.

firewall-cmd opened unnecessary ports in the example.

Branch
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V4_2_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=e7d947769b7afa8e9f5e2b9fb7f5be853756d62a

Modified Files
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doc.ja/src/sgml/installation-tips.sgml | 12 ++++++++++--
doc/src/sgml/installation-tips.sgml    |  9 ++++++++-
2 files changed, 18 insertions(+), 3 deletions(-)