[MacPorts] #28374: cppcheck: Update to v1.47

[MacPorts]

#28374: cppcheck: Update to v1.47
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  Reporter:  paj-macports@…           |       Owner:  ryandesign@…           
      Type:  update                   |      Status:  closed                 
  Priority:  Normal                   |   Milestone:                         
 Component:  ports                    |     Version:  1.9.2                  
Resolution:  fixed                    |    Keywords:  haspatch maintainer    
      Port:  cppcheck                 |  
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Comment(by paj-macports@…):

 Many apologies: I have a `diff` wrapper to highlight whitespace, so that
 characters no longer look strange to me. Will script the patch creation
 for next time to avoid these errors.

 Thanks for fixing up.

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Ticket URL: <https://trac.macports.org/ticket/28374#comment:3>
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