[Pgpool-committers] pgpool - pgpool-II: Remove unnecessary variable.

[User T-ishii]

Log Message:
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Remove unnecessary variable.
Tweak comments.

Modified Files:
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    pgpool-II:
        child.c (r1.51 -> r1.52)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/child.c?r1=1.51&r2=1.52)