[MacPorts] #69649: Avoid using /usr/bin/patch

[MacPorts]

#69649: Avoid using /usr/bin/patch
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  Reporter:  ryandesign  |      Owner:  (none)
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  base        |    Version:  2.9.1
Resolution:              |   Keywords:
      Port:              |
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Comment (by jmroot):

 I noticed the assuming patches are reversed behaviour while experimenting
 with using `-t`, but it seemed to go away when I stopped using that
 option.

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Ticket URL: <https://trac.macports.org/ticket/69649#comment:2>
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