[MacPorts] #44526: xxdiff: update to 4.0

[MacPorts]

#44526: xxdiff: update to 4.0
---------------------+---------------------------------
  Reporter:  RJVB    |      Owner:  MarcusCalhoun-Lopez
      Type:  update  |     Status:  accepted
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:  haspatch
      Port:  xxdiff  |
---------------------+---------------------------------
Changes (by MarcusCalhoun-Lopez):

 * owner:  macports-tickets@… => MarcusCalhoun-Lopez
 * status:  new => accepted


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Ticket URL: <https://trac.macports.org/ticket/44526#comment:26>
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