[MacPorts] #27609: pidgin: update to version 2.7.7

[MacPorts]

#27609: pidgin: update to version 2.7.7
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 Reporter:  devans@…             |       Owner:  nefar@…            
     Type:  update               |      Status:  new                
 Priority:  Normal               |   Milestone:                     
Component:  ports                |     Version:  1.9.2              
 Keywords:                       |        Port:  pidgin             
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Comment(by nefar@…):

 Looks like gconftool-2 is being executed as a system call. It is provided
 by gconf, but gconf isn't listed as a dependency for pidgin. That should
 probably be added, no?

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Ticket URL: <https://trac.macports.org/ticket/27609#comment:1>
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