[MacPorts] #70275: c-ares 1.30.0_1 build fails on 10.13.6

[MacPorts]

#70275: c-ares 1.30.0_1 build fails on 10.13.6
------------------------------+--------------------
  Reporter:  jrandall814      |      Owner:  (none)
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.9.3
Resolution:                   |   Keywords:
      Port:  c-ares 1.30.0_1  |
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Changes (by jrandall814):

 * Attachment "log.txt" added.

 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports
 .org_release_tarballs_ports_net_c-ares/c-ares/main.log

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Ticket URL: <https://trac.macports.org/ticket/70275>
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