[MacPorts] #54136: protobuf3-cpp @3.3.0: update to version 3.3.0

[MacPorts]

#54136: protobuf3-cpp @3.3.0: update to version 3.3.0
----------------------------+-------------------
  Reporter:  Schamschula    |      Owner:  blair
      Type:  update         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:
Resolution:                 |   Keywords:
      Port:  protobuf3-cpp  |
----------------------------+-------------------
Changes (by Schamschula):

 * Attachment "Portfile-protobuf3-cpp.diff" added.


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Ticket URL: <https://trac.macports.org/ticket/54136>
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