[MacPorts] #13274: update guide's X11 requirements (headers needed if libraries present)

[MacPorts]

#13274: update guide's X11 requirements (headers needed if libraries present)
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  Reporter:  afb at macports.org  |       Owner:  markd at macports.org     
      Type:  defect            |      Status:  closed                 
  Priority:  Normal            |   Milestone:  Website & Documentation
 Component:  guide             |     Version:  1.6.0                  
Resolution:  fixed             |    Keywords:                         
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Changes (by afb at macports.org):

  * status:  new => closed
  * resolution:  => fixed

Comment:

 Looks good to me.

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Ticket URL: <http://trac.macosforge.org/projects/macports/ticket/13274#comment:5>
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