[MacPorts] #54635: QGIS @2_18_9_1: update to 2_18_11

[MacPorts]

#54635: QGIS @2_18_9_1: update to 2_18_11
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 Reporter:  l2dy    |      Owner:  Veence
     Type:  update  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  QGIS
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Ticket URL: <https://trac.macports.org/ticket/54635>
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