[MacPorts] #55500: GraphicsMagick @1.3.26: update to 1.3.27

[MacPorts]

#55500: GraphicsMagick @1.3.26: update to 1.3.27
-----------------------------+------------------------
  Reporter:  l2dy            |      Owner:  ryandesign
      Type:  update          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:  security
      Port:  GraphicsMagick  |
-----------------------------+------------------------
Changes (by mf2k):

 * port:   => GraphicsMagick


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Ticket URL: <https://trac.macports.org/ticket/55500#comment:1>
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