[MacPorts] #61251: Update mingw-gcc to 10.2.0

[MacPorts]

#61251: Update mingw-gcc to 10.2.0
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  Reporter:  Gcenx                   |      Owner:  mojca
      Type:  update                  |     Status:  assigned
  Priority:  Normal                  |  Milestone:
 Component:  ports                   |    Version:
Resolution:                          |   Keywords:
      Port:  x86_64-w64-mingw32-gcc  |
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Comment (by Gcenx):

 Thanks for the input @kencu, I’ll try adding 0020-libgomp-Don-t-hard-code-
 MS-printf-attributes.patch

 Won’t get chance to do this until later tonight.

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Ticket URL: <https://trac.macports.org/ticket/61251#comment:5>
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