[MacPorts] #48671: lftp @4.6.2_1: update to 4.6.4

[MacPorts]

#48671: lftp @4.6.2_1: update to 4.6.4
---------------------------------+--------------------------------
 Reporter:  mschamschula@…       |      Owner:  macports-tickets@…
     Type:  update               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:  2.3.3
 Keywords:  haspatch maintainer  |       Port:  lftp
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 lftp has been updated to version 4.6.4: Some bugs fixed, minor features
 added.

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Ticket URL: <https://trac.macports.org/ticket/48671>
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