[MacPorts] #61663: procmail @3.22: error: implicit declaration of function 'killchildren' is invalid in C99

[MacPorts]

#61663: procmail @3.22: error: implicit declaration of function 'killchildren' is
invalid in C99
-----------------------+-----------------------------
  Reporter:  pwosel    |      Owner:  blair
      Type:  defect    |     Status:  closed
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.6.4
Resolution:  fixed     |   Keywords:  bigsur catalina
      Port:  procmail  |
-----------------------+-----------------------------

Comment (by ryandesign):

 That's not the right fix and could result in a crashing program on Apple
 Silicon. (Apple turned this warning into an error for a reason.) It should
 be fixed correctly e.g. by including the requisite headers.

-- 
Ticket URL: <https://trac.macports.org/ticket/61663#comment:4>
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