[pgpool-committers: 7455] pgpool: Fix messages when health check process starts.

[Tatsuo Ishii]

Fix messages when health check process starts.

Fix when health check process was restarted by reaper(), incorrect
"child process with pid: 14639 exited with success and will not be
restarted" was emitted.

Also enhance worker_fork_a_child() to emit a message that new worker
process started.

Branch
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V4_0_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=50d5e96f0b10fc70a127635e2e1b89f964b4e5cd

Modified Files
--------------
src/main/pgpool_main.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)