[MacPorts] #56400: libevent fails to build with libressl-devel 2.7.2

[MacPorts]

#56400: libevent fails to build with libressl-devel 2.7.2
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  Reporter:  bK4gYuRo  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  libevent  |
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Comment (by jerryyhom):

 I just encountered this issue.  The upstream patch referenced by Rainer
 has not been folded in yet.  I can submit a PR, but I see two options.

 1. combine upstream patch with existing patch - to replace it
 2. use upstream patch as is - in addition to existing patch

 Is there a preference?

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Ticket URL: <https://trac.macports.org/ticket/56400#comment:6>
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