[MacPorts] #70253: opendx port fails with implicit int error in C99

[MacPorts]

#70253: opendx port fails with implicit int error in C99
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  Reporter:  bernstei   |      Owner:  (none)
      Type:  defect     |     Status:  closed
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:  duplicate  |   Keywords:
      Port:  opendx     |
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Comment (by bernstei):

 FWIW, I now have a static-source patch that allows opendx to compile. 49
 changes, including a few arguments no longer implicit, and some char ->
 unsigned char, and explicit casting.

 All that's needed is that file plus adding the patch file to the Portfile.

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Ticket URL: <https://trac.macports.org/ticket/70253#comment:4>
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