[Pgpool-committers] pgpool - pgpool-II: Fix connection_cache = false case.

[User T-ishii]

Log Message:
-----------
Fix connection_cache = false case. In this mode, if frontend exits
abnormaly, some global state variables are not reset. For this
purpose, new function reset_variables() added.

Remove unnecessary argument of end_load_balance().

Tags:
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V2_2_STABLE

Modified Files:
--------------
    pgpool-II:
        pool_proto_modules.c (r1.6.2.15 -> r1.6.2.16)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_proto_modules.c?r1=1.6.2.15&r2=1.6.2.16)
        pool_proto_modules.h (r1.1.2.5 -> r1.1.2.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_proto_modules.h?r1=1.1.2.5&r2=1.1.2.6)
        pool.h (r1.36.2.7 -> r1.36.2.8)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool.h?r1=1.36.2.7&r2=1.36.2.8)
        pool_process_query.c (r1.141.2.27 -> r1.141.2.28)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_process_query.c?r1=1.141.2.27&r2=1.141.2.28)
        child.c (r1.26.2.9 -> r1.26.2.10)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/child.c?r1=1.26.2.9&r2=1.26.2.10)