[MacPorts] #68277: dosbox-staging @0.80.1: error: call to undeclared function 'select'; ISO C99 and later do not support implicit function declarations

[MacPorts]

#68277: dosbox-staging @0.80.1: error: call to undeclared function 'select'; ISO
C99 and later do not support implicit function declarations
-----------------------------+----------------------
  Reporter:  thaewrapt       |      Owner:  kakuhen
      Type:  defect          |     Status:  assigned
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:  sonoma
      Port:  dosbox-staging  |
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Comment (by thaewrapt):

 Just to avoid confusion, here are the said changes (see both 'Portfile'
 and a patch under 'files' directory): https://github.com/thaewrapt
 /macports-emulators-dosbox-staging

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Ticket URL: <https://trac.macports.org/ticket/68277#comment:7>
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