[MacPorts] #31545: port chicken update to version 4.7.0

[MacPorts]

#31545: port chicken update to version 4.7.0
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 Reporter:  rlonstein@…          |       Owner:  macports-tickets@…                   
     Type:  update               |      Status:  new                                  
 Priority:  Normal               |   Milestone:                                       
Component:  ports                |     Version:  2.0.3                                
 Keywords:  haspatch             |        Port:  chicken                              
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Comment(by rlonstein@…):

 I built it here on 10.6.8 (10K549), 64-bit Kernel, gcc-4.2 (XCode 3.2.6).
 Did not "upgrade" but uninstalled then installed the newer release.

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Ticket URL: <https://trac.macports.org/ticket/31545#comment:6>
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