[MacPorts] #26993: update doxygen to version 1.7.2

[MacPorts]

#26993: update doxygen to version 1.7.2
---------------------------+------------------------------------------------
 Reporter:  tvb377@…       |       Owner:  css@…           
     Type:  update         |      Status:  new             
 Priority:  Normal         |   Milestone:                  
Component:  ports          |     Version:                  
 Keywords:  haspatch       |        Port:  doxygen         
---------------------------+------------------------------------------------
Changes (by jmr@…):

  * owner:  macports-tickets@… => css@…
  * version:  1.9.1 =>


Comment:

 Please remember to cc the maintainer.

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Ticket URL: <https://trac.macports.org/ticket/26993#comment:1>
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