[MacPorts] #43957: Update diffutils to 3.3

[MacPorts]

#43957: Update diffutils to 3.3
---------------------------+--------------------------------
  Reporter:  swordangel@…  |      Owner:  macports-tickets@…
      Type:  update        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.3.0
Resolution:                |   Keywords:
      Port:  diffutils     |
---------------------------+--------------------------------
Changes (by cal@…):

 * cc: nomaintainer@… (removed)
 * keywords:  update =>


Comment:

 Please attach a unified diff against the old version, so we can easily see
 the changes you made.

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Ticket URL: <https://trac.macports.org/ticket/43957#comment:1>
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