[MacPorts] #39232: libpcap: please update to 1.4.0

[MacPorts]

#39232: libpcap: please update to 1.4.0
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  Reporter:  jpo@…    |      Owner:  opendarwin.org@…
      Type:  update   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  libpcap  |
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Comment (by lubodiakov@…):

 If there are no regressions/bugs considered blockers, please update
 libpcap to upstream version 1.4.0 as requested above by original poster
 di.uminho.pt:jpo

 I'm attaching a unified diff patch for the portfile, with the checksums
 for version 1.4.0 as downloaded from the original source.

 Thank you.

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Ticket URL: <https://trac.macports.org/ticket/39232#comment:2>
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