[MacPorts] #15912: ruby port group: prepare for ruby 1.9

[MacPorts]

#15912: ruby port group: prepare for ruby 1.9
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  Reporter:  febeling at macports.org  |       Owner:  macports-tickets at lists.macosforge.org
      Type:  enhancement            |      Status:  new                                  
  Priority:  Normal                 |   Milestone:  MacPorts base enhancements           
 Component:  base                   |     Version:  1.7.0                                
Resolution:                         |    Keywords:                                       
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Comment (by febeling at macports.org):

 I have a script which uninstalls, cleans, and installs all ruby port for
 regression testing. Pre- and port results are now exactyl the same.

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Ticket URL: <http://trac.macports.org/ticket/15912#comment:3>
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