[pgpool-committers: 10005] pgpool: Fix compile error.

[Tatsuo Ishii]

Fix compile error.

489eedf826eaffefcb8ea85b61f0407cb21afe96 forgot to make
v4.1 specific changes.

Backpatch-through: v4.1 only.

Branch
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V4_1_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=a5c0a4c2f1c02ee42ce34c111bd1f7a1351606a6

Modified Files
--------------
src/include/pool.h                  | 1 +
src/protocol/pool_connection_pool.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)