[MacPorts] #57761: netgen: add opencascade variant

[MacPorts]

#57761: netgen: add opencascade variant
--------------------------+---------------------------------
  Reporter:  mbrethen     |      Owner:  MarcusCalhoun-Lopez
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch
      Port:  netgen       |
--------------------------+---------------------------------
Changes (by mf2k):

 * keywords:   => haspatch
 * version:  2.5.4 =>


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Ticket URL: <https://trac.macports.org/ticket/57761#comment:3>
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