ports/183107: [PATCH] mail/postgrey: make postgrey work with Perl 5.18

[Sunpoet Po-Chuan Hsieh]

Hi,

I don't know how to fix stale index. So I dumped the raw PR here [1]. Hope
that helps.

[1] http://people.FreeBSD.org/~sunpoet/pr-183107.txt

Regards,
sunpoet