[pgpool-committers: 10528] pgpool: Doc: clarify supported platforms for Pgpool-II.

[Tatsuo Ishii]

Doc: clarify supported platforms for Pgpool-II.

Backpatch-through: v4.2

Branch
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V4_2_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=8d5e1abdce1de0bbabdd5801d0a8caa1e65c59ac

Modified Files
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doc.ja/src/sgml/installation.sgml | 47 ++++++++++++++++++++++++++++++++-----
doc/src/sgml/installation.sgml    | 49 +++++++++++++++++++++++++++++++++++++--
2 files changed, 88 insertions(+), 8 deletions(-)