[MacPorts] #23214: Update neon to 0.29.1

[MacPorts]

#23214: Update neon to 0.29.1
------------------------------+---------------------------------------------
 Reporter:  nox@…             |       Owner:  dluke@…           
     Type:  update            |      Status:  new               
 Priority:  Normal            |   Milestone:                    
Component:  ports             |     Version:                    
 Keywords:  haspatch          |        Port:  neon              
------------------------------+---------------------------------------------
 Interface changes:
   none, API and ABI backwards-compatible with 0.28.x and 0.27.x

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Ticket URL: <http://trac.macports.org/ticket/23214>
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