[pgpool-committers: 7697] pgpool: Doc: update copyright year.

[Tatsuo Ishii]

Doc: update copyright year.

Branch
------
V4_0_STABLE

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=f1439bee08c6e7140075a9c08ef74a151ffd31c5

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