[MacPorts] #38774: Add libstdc++_nanosleep.patch to gcc47

[MacPorts]

#38774: Add libstdc++_nanosleep.patch to gcc47
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  Reporter:  howarth@…  |      Owner:  jeremyhu@…
      Type:  defect     |     Status:  closed
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.1.3
Resolution:  fixed      |   Keywords:  haspatch
      Port:  gcc47      |
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Changes (by jeremyhu@…):

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


Comment:

 This isn't needed since libstdcxx was moved to gcc48 in r105277, and gcc48
 already has this change.

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Ticket URL: <https://trac.macports.org/ticket/38774#comment:6>
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