Thread: pgsql: Remove unnecessary configure test for inet_ntop(), per Andrew

Log Message:
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Remove unnecessary configure test for inet_ntop(), per Andrew Dunstan.

Modified Files:
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    pgsql:
        configure.in (r1.418 -> r1.419)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.in.diff?r1=1.418&r2=1.419)
        configure (r1.445 -> r1.446)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.diff?r1=1.445&r2=1.446)