[Pidgin] #12660: MSN prpl starts file transfers several times (leaks file handles)

[Pidgin]

#12660: MSN prpl starts file transfers several times (leaks file handles)
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 Reporter:  TeraByte911  |        Owner:  QuLogic
     Type:  defect       |       Status:  new    
Milestone:               |    Component:  MSN    
  Version:  2.7.3        |   Resolution:         
 Keywords:               |  
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Comment(by datallah at pidgin.im):

 (In [2fa8397877be345efa9c19c1530ad7686236d8e4]):[[BR]]
 Beginning a file transfer multiple times leaks file handles.
 Add some debugging and guarding to detect and avoid that.

 This is only part of the full fix (mostly to help bring attention to the
 problem)

 The real problem is that in the MSN prpl (and possibly others), file
 transfers
 are started multiple times.  This happens for every file transfer over MSN
 that
 I've tested.

 Refs #12660

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Ticket URL: <http://developer.pidgin.im/ticket/12660#comment:10>
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