[MacPorts] #54942: stimfit @0.14.13: update to 0.15.4

[MacPorts]

#54942: stimfit @0.14.13: update to 0.15.4
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  Reporter:  neurodroid  |      Owner:
      Type:  update      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:  haspatch maintainer
      Port:  stimfit     |
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Changes (by neurodroid):

 * Attachment "Portfile-stimfit.diff" added.

 stimfit Portfile patch

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Ticket URL: <https://trac.macports.org/ticket/54942>
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