[MacPorts] #24378: update cross/avr-gdb to 6.8

[MacPorts]

#24378: update cross/avr-gdb to 6.8
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  Reporter:  konkers@…            |       Owner:  macports-tickets@…                   
      Type:  update               |      Status:  closed                               
  Priority:  Normal               |   Milestone:                                       
 Component:  ports                |     Version:                                       
Resolution:  fixed                |    Keywords:                                       
      Port:  avr-gdb              |  
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Changes (by jmr@…):

  * status:  new => closed
  * resolution:  => fixed


Comment:

 This patch fails to apply to the current Portfile, so I had to do it
 manually. Please use separate, uncompressed attachments for each patch in
 future, so they can be previewed on Trac and to avoid difficult-to-read
 patches of patches.

 Updated in r72021.

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Ticket URL: <https://trac.macports.org/ticket/24378#comment:2>
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