[pgpool-committers: 9219] pgpool: Fix compile error on systems using musl libc.

[Tatsuo Ishii]

Fix compile error on systems using musl libc.

Patch provided by leimaohui.
https://www.pgpool.net/mantisbt/view.php?id=790

Branch
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V4_0_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=7c5eaeff645cc71a8c3eb5d50571bfc19e484cdf

Modified Files
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src/tools/pgproto/read.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)