Stop the check_max program from timing out on Snow Leopard.

For https://rt.cpan.org/Ticket/Display.html?id=97933

See https://trac.macports.org/ticket/30718 for the upstream report.

Patch from https://trac.macports.org/browser/trunk/dports/perl/p5-time-y2038/files/patch-inc-Local-Module-Build.pm.diff?rev=124076