[MacPorts] #56098: processing @3.3.6: update to 3.3.7

[MacPorts]

#56098: processing @3.3.6: update to 3.3.7
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  Reporter:  numeratus    |      Owner:
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch
      Port:  processing   |
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Changes (by numeratus):

 * Attachment "Portfile-processing.diff" added.

 Portfile patch

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Ticket URL: <https://trac.macports.org/ticket/56098>
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