[MacPorts] #22238: bzrtools-2.0.1 force X11 building

[MacPorts]

#22238: bzrtools-2.0.1 force X11 building
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 Reporter:  macports@…                  |       Owner:  macports-tickets@…                   
     Type:  enhancement                 |      Status:  new                                  
 Priority:  Normal                      |   Milestone:                                       
Component:  ports                       |     Version:  1.8.1                                
 Keywords:                              |        Port:                                       
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 bzrtools need a variant to avoid X11 building (like the no_tkinter of
 python port)
 here I build a patch

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Ticket URL: <http://trac.macports.org/ticket/22238>
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