[MacPorts] #45910: okular @0.6.4 makes broken screen when scrolling

[MacPorts]

#45910: okular @0.6.4 makes broken screen when scrolling
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  Reporter:  lightoml@…  |      Owner:  nicos@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.2
Resolution:              |   Keywords:
      Port:  okular      |
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Comment (by dsfrancis03@…):

 I'm having this issue on my Macbook, which has an old (non-Retina) display
 type. I also tried with an external display, but I still had the issue.
 Hope it goes away on my Macbook as well if it's fixed on Retina display.

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Ticket URL: <https://trac.macports.org/ticket/45910#comment:7>
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