[MacPorts] #59229: m4 1.4.18_2.darwin_19.x86_64: build errors in ftello.c on MacOS 10.15 Catalina

[MacPorts]

#59229: m4 1.4.18_2.darwin_19.x86_64: build errors in ftello.c on MacOS 10.15
Catalina
------------------------+----------------------
  Reporter:  dfaulkner  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.1
Resolution:             |   Keywords:  catalina
      Port:  m4         |
------------------------+----------------------
Changes (by jmroot):

 * keywords:   => catalina


Comment:

 You're still running the beta? Please confirm that this issue is still
 present with the final release of Catalina.

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Ticket URL: <https://trac.macports.org/ticket/59229#comment:1>
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