[MacPorts] #36319: dbus: update to 1.6.8

[MacPorts]

#36319: dbus: update to 1.6.8
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  Reporter:  and.damore@…  |      Owner:  mcalhoun@…
      Type:  update        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:  haspatch
      Port:  dbus          |
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Comment (by pixilla@…):

 I am sorry, it has been a year or so and I cannot find any documentation
 to support my comments.

 The attached patch only changes the version and checksums and appears to
 work fine on my system.

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Ticket URL: <https://trac.macports.org/ticket/36319#comment:9>
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