[MacPorts] #48554: stfl: update to 0.24

[MacPorts]

#48554: stfl: update to 0.24
-------------------------+-------------------------
  Reporter:  macports@…  |      Owner:  lutz.horn@…
      Type:  update      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.3
Resolution:              |   Keywords:  haspatch
      Port:  stfl        |
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Comment (by mf2k@…):

 Some comments:
  - Do not edit the {{{$Id$}}} line. It may mean you are not editing the
 latest svn revision of the Portfile.
  - Add a sha256 checksum.

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Ticket URL: <https://trac.macports.org/ticket/48554#comment:4>
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