[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:  2.0.2  
Component:  libpurple  |     Version:  2.0    
 Keywords:             |  
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 We're spewing a lot of compiler warnings. This makes it harder to tell if
 a warning is something new or pre-existing. I'd like to see these fixed.

 I'm marking this for libpurple, but it really applies to everything in the
 tree.

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