[MacPorts] #62320: openssh @8.4p1_1+gsskex: error: implicit declaration of function 'auth_get_canonical_hostname' is invalid in C99

[MacPorts]

#62320: openssh @8.4p1_1+gsskex: error: implicit declaration of function
'auth_get_canonical_hostname' is invalid in C99
----------------------+-----------------------------
  Reporter:  vkuznet  |      Owner:  (none)
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.6.4
Resolution:           |   Keywords:  catalina bigsur
      Port:  openssh  |
----------------------+-----------------------------

Comment (by vkuznet):

 I need a little bit of info, how to apply provided patch and build
 manually the port in local area? I'm familiar with patching, makefiles,
 etc., but I never did it within macports workflows. If you have any doc
 about it this just point me to it.

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Ticket URL: <https://trac.macports.org/ticket/62320#comment:9>
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