[MacPorts] #56196: fluxbox @1.3.7_1 does not compile on macOS High Sierra, Version 10.13.4, because it clock_gettime() and uses a pointer instead an int

[MacPorts]

#56196: fluxbox @1.3.7_1 does not compile on macOS High Sierra, Version 10.13.4,
because it clock_gettime() and uses a pointer instead an int
------------------------+--------------------
  Reporter:  ballapete  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.4.2
Resolution:             |   Keywords:
      Port:  fluxbox    |
------------------------+--------------------

Comment (by ballapete):

 Replying to [comment:3 mf2k]:
 > This port has no maintainer and there is no ticket activity which means
 no one is working on this. If you want this fixed, it would be helpful if
 you  [wiki:WorkingWithGit#pr submit a GitHub pull request] with an
 update/fix.

 How can I perform this? I have no idea what a "GitHub pull request" is…

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Ticket URL: <https://trac.macports.org/ticket/56196#comment:7>
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