[pgpool-committers: 4408] pgpool: Fix watchdog_setup up doc.

[Tatsuo Ishii]

Fix watchdog_setup up doc.

It lacked to mention that it supports logical replication mode.

Branch
------
V3_7_STABLE

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=5281126e4ff8ccb3c06acc8be5ecaf6fd826361c

Modified Files
--------------
doc.ja/src/sgml/ref/watchdog_setup.sgml | 4 ++--
doc/src/sgml/ref/watchdog_setup.sgml    | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)