[MacPorts] #50466: stunnel @5.29_0: update to 5.30

[MacPorts]

#50466: stunnel @5.29_0: update to 5.30
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 Reporter:  mschamschula@…       |      Owner:  macports-tickets@…
     Type:  update               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:  2.3.4
 Keywords:  haspatch maintainer  |       Port:  stunnel
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 stunnel has been updated to version 5.30. New this version:
 * New features
  - Improved compatibility with the current OpenSSL 1.1.0-dev tree.
  - Added OpenSSL autodetection for the recent versions of Xcode.
 * Bugfixes
  - Fixed references to /etc removed from stunnel.init.in.
  - Stopped even trying -fstack-protector on unsupported platforms

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Ticket URL: <https://trac.macports.org/ticket/50466>
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