[pgpool-committers: 5223] pgpool: Fix docuemnt typos and update release date.

[Bo Peng]

Fix docuemnt typos and update release date.

Branch
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V4_0_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=141e2b75070d67a338b0d7f7215166677fafb5f8

Modified Files
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doc.ja/src/sgml/release-4.0.sgml | 6 +++---
doc/src/sgml/release-4.0.sgml    | 6 +++---
2 files changed, 6 insertions(+), 6 deletions(-)