[pgpool-committers: 5748] pgpool: Doc: fix mistake in the previous commit.

[Tatsuo Ishii]

Doc: fix mistake in the previous commit.

Follow master command's %P is "old primary node id" and should have
not been changed.

Branch
------
V3_7_STABLE

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=90aa575929f2a7cd46083ecaf3e67cb0b863eecf

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