[MacPorts] #38706: Update of digikam port

[MacPorts]

#38706: Update of digikam port
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  Reporter:  jan@…    |      Owner:  macports-tickets@…
      Type:  update   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.1.3
Resolution:           |   Keywords:  haspatch maintainer
      Port:  digikam  |
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Comment (by jan@…):

 Sorry, I had an alias for diff producing an incompatible format. I
 replaced the patch file with one which should work.

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Ticket URL: <https://trac.macports.org/ticket/38706#comment:3>
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