[Pidgin] #323: Fix compiler warnings

[Pidgin]

#323: Fix compiler warnings
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  Reporter:  rlaager    |       Owner:  rlaager
      Type:  defect     |      Status:  new    
  Priority:  minor      |   Milestone:  2.2.1  
 Component:  libpurple  |     Version:  2.0    
Resolution:             |    Keywords:         
   Pending:  0          |  
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Comment (by seanegan):

 duplicate of #1344

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Ticket URL: <http://developer.pidgin.im/ticket/323#comment:4>
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