[MacPorts] #56303: py-Pillow: Update to 5.1.0

[MacPorts]

#56303: py-Pillow: Update to 5.1.0
------------------------+----------------------
  Reporter:  radarhere  |      Owner:  stromnov
      Type:  update     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:
      Port:  py-Pillow  |
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Changes (by mf2k):

 * cc: stromnov (removed)
 * owner:  (none) => stromnov
 * status:  new => assigned


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Ticket URL: <https://trac.macports.org/ticket/56303#comment:1>
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