[Pgpool-committers] pgpool - pgpoolAdmin: Add some isset() checks into if conditions.

[User Anzai]

Log Message:
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Add some isset() checks into if conditions.

Tags:
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V2_3_STABLE

Modified Files:
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    pgpoolAdmin/install:
        checkParameter.php (r1.6 -> r1.6.2.1)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpoolAdmin/install/checkParameter.php?r1=1.6&r2=1.6.2.1)