[MacPorts] #20678: xmlstarlet 1.0.1 Portfile cleanup

[MacPorts]

#20678: xmlstarlet 1.0.1 Portfile cleanup
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 Reporter:  cedric.luthi@…          |       Owner:  macports-tickets@…                   
     Type:  update                  |      Status:  new                                  
 Priority:  Normal                  |   Milestone:                                       
Component:  ports                   |     Version:  1.7.1                                
 Keywords:                          |        Port:  xmlstarlet                           
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 * Tabs -> spaces
  * Fix livecheck regex (''xmlstar'' vs ''xmlstarlet'')
  * Add variant description
  * Add platforms darwin
  * Resign maintainership

 I uploaded the complete Portfile, because a '''@@ -1,34 +1,37 @@'''
 unified diff doesn't make much sense.

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Ticket URL: <http://trac.macports.org/ticket/20678>
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