[MacPorts] #14892: Add no-doc variant to GTK2

[MacPorts]

#14892: Add no-doc variant to GTK2
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  Reporter:  stonehippo@…        |       Owner:  nox@…            
      Type:  enhancement         |      Status:  closed           
  Priority:  Normal              |   Milestone:  Port Enhancements
 Component:  ports               |     Version:  1.6.0            
Resolution:  fixed               |    Keywords:  gtk-doc gtk2     
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Comment(by rukqoa@…):

 This was originally fixed, but the gtk-doc was re-added as a required
 build since rev 43676.

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Ticket URL: <http://trac.macports.org/ticket/14892#comment:3>
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