[Pgpool-committers] pgpool - pgpool-II: Fix ProcessFrontendResponse not to accept invalid

[User T-ishii]

Log Message:
-----------
Fix ProcessFrontendResponse not to accept invalid frotend packet.
Patch contributed by Xavier Noguer.

Tags:
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V2_2_STABLE

Modified Files:
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    pgpool-II:
        pool_proto_modules.c (r1.6.2.19 -> r1.6.2.20)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_proto_modules.c?r1=1.6.2.19&r2=1.6.2.20)