[Pidgin] #4643: Fix compiler warnings with IO

[Pidgin]

#4643: Fix compiler warnings with IO
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  Reporter:  rlaager    |       Owner:  markdoliner
      Type:  patch      |      Status:  closed     
  Priority:  minor      |   Milestone:  2.3.2      
 Component:  libpurple  |     Version:             
Resolution:  fixed      |    Keywords:             
   Pending:  0          |  
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Changes (by markdoliner at pidgin.im):

  * status:  new => closed
  * resolution:  => fixed
  * milestone:  2.4.0 => 2.3.2

Comment:

 (In [18490886e6ced71f873dabe23516c5d3d16f0b29]) More compiler warning
 fixes from o_sukhodolsky (with additions by me).
 Fixes #4643, references #1344.

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Ticket URL: <http://developer.pidgin.im/ticket/4643#comment:2>
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