[MacPorts] #53179: exim @4.82.1_2: update to 4.88

[MacPorts]

#53179: exim @4.82.1_2: update to 4.88
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 Reporter:  l2dy    |      Owner:
     Type:  update  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  exim
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 CVE-2016-9963

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Ticket URL: <https://trac.macports.org/ticket/53179>
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