[pgpool-committers: 6870] pgpool: Fix typos.

[Bo Peng]

Fix typos.

Patch is created by Lu, Chenyang.

Branch
------
V3_6_STABLE

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=06f261908bd170a51291f75fa7f331a4769538eb

Modified Files
--------------
src/config/pool_config_variables.c | 2 +-
src/context/pool_session_context.c | 2 +-
src/watchdog/wd_json_data.c        | 2 +-
src/watchdog/wd_lifecheck.c        | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)