[MacPorts] #16614: Update Doxygen 1.5.5 to 1.5.7

[MacPorts]

#16614: Update Doxygen 1.5.5 to 1.5.7
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  Reporter:  luis.beca at gmail.com  |       Owner:  css at macports.org
      Type:  enhancement          |      Status:  reopened        
  Priority:  High                 |   Milestone:  Port Updates    
 Component:  ports                |     Version:  1.6.0           
Resolution:                       |    Keywords:                  
      Port:  doxygen              |  
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Comment(by css at macports.org):

 I removed the patchfile to avoid the error, and things work fine on
 Leopard. I'll have to see what happens for someone using Tiger, but this
 at least fixes the port to build.

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Ticket URL: <http://trac.macports.org/ticket/16614#comment:6>
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