[pgpool-committers: 6793] pgpool: Fix miscount of connection_count

[Takuma Hoshiai]

Fix miscount of connection_count

There is a possibility that  pgpool duplicate the count down of conections
when query cancel such as pg_terminate_backend() commmand.

Branch
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V4_1_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=41f34023124d5088afe0e0419817fb49a0d9bcf1

Modified Files
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src/protocol/child.c                                       |  3 +++
src/test/regression/tests/073.pg_terminate_backend/test.sh | 14 +++++++++++++-
2 files changed, 16 insertions(+), 1 deletion(-)