[MacPorts] #28602: gource @0.31 build error - ambiguous overload for 'operator!=' in 'mem_pointer != 0'

[MacPorts]

#28602: gource @0.31 build error - ambiguous overload for 'operator!=' in
'mem_pointer != 0'
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 Reporter:  martin.eisenhardt@…            |       Owner:  phw@…           
     Type:  defect                         |      Status:  new             
 Priority:  Normal                         |   Milestone:                  
Component:  ports                          |     Version:  1.9.2           
 Keywords:                                 |        Port:  gource          
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Comment(by acaudwell@…):

 I fixed the cast on this in Gource 0.32, so if the port is updated this
 will go away.

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Ticket URL: <https://trac.macports.org/ticket/28602#comment:4>
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