[MacPorts] #54665: salt @2017.5_1: update to 2017.7.1

[MacPorts]

#54665: salt @2017.5_1: update to 2017.7.1
----------------------+-------------------
 Reporter:  l2dy      |      Owner:  aphor
     Type:  update    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:
 Keywords:  security  |       Port:  salt
----------------------+-------------------
 Fixes CVE-2017-12791, see
 https://docs.saltstack.com/en/latest/topics/releases/2017.7.1.html.

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Ticket URL: <https://trac.macports.org/ticket/54665>
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