[MacPorts] #56216: openssh: update to 7.7p1

[MacPorts]

#56216: openssh: update to 7.7p1
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  Reporter:  l2dy     |      Owner:  (none)
      Type:  update   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  openssh  |
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Changes (by danielluke):

 * Attachment "Portfile.diff" added.

 Simple version bump

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Ticket URL: <https://trac.macports.org/ticket/56216>
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