[Pidgin] #3681: Add configure --extra-version

[Pidgin]

#3681: Add configure --extra-version
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  Reporter:  wtogami      |       Owner:  nosnilmot
      Type:  enhancement  |      Status:  new      
  Priority:  minor        |   Milestone:           
 Component:  libpurple    |     Version:           
Resolution:               |    Keywords:           
   Pending:  0            |  
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Changes (by seanegan):

  * owner:  lschiere => nosnilmot
  * component:  unclassified => libpurple

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Ticket URL: <https://developer.pidgin.im/ticket/3681#comment:1>
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