[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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 The proposed patch attached

   * updates pidgin to latest version 2.7.7
   * incorporates patch from #25092 to allow building with gcc-4.0 (Leopard
 and Tiger)
   * explicitly disables farsight to avoid opportunistic configuration when
 port farsight2 is installed
   * updates hicolor icon cache and installs gconf schema post-activate

 Let me know if you agree to commit this update

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