[MacPorts] #54546: lftp needs to have aclocal run pre-configure, or else it fails to build on Sierra

[MacPorts]

#54546: lftp needs to have aclocal run pre-configure, or else it fails to build on
Sierra
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  Reporter:  vjorlikowski  |      Owner:
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:                |
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Changes (by vjorlikowski):

 * Attachment "lftp.patch" added.

 Diff to portfile, to enable aclocal

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Ticket URL: <https://trac.macports.org/ticket/54546>
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