[MacPorts] #19483: portfile patch for tuxtype - update to version 1.7.4

[MacPorts]

#19483: portfile patch for tuxtype - update to version 1.7.4
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 Reporter:  davidstuartbruce@…          |       Owner:  macports-tickets@…                   
     Type:  update                      |      Status:  new                                  
 Priority:  Normal                      |   Milestone:                                       
Component:  ports                       |     Version:  1.7.1                                
 Keywords:                              |        Port:                                       
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Ticket URL: <http://trac.macports.org/ticket/19483>
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