[MacPorts] #54521: putty upgrade bump from 0.69 to 0.70

[MacPorts]

#54521: putty upgrade bump from 0.69 to 0.70
---------------------------+----------------------
  Reporter:  chicagotripp  |      Owner:
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:  haspatch
      Port:  putty         |
---------------------------+----------------------
Changes (by chicagotripp):

 * Attachment "Portfile-putty.diff" added.

 Portfile unified diff to upgrade putty from 0.69 to 0.70

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Ticket URL: <https://trac.macports.org/ticket/54521>
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