[Pidgin] #6246: MSN receive crash fix after failed file open

[Pidgin]

#6246: MSN receive crash fix after failed file open
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  Reporter:  sbrabec  |       Owner:  khc          
      Type:  patch    |      Status:  new          
  Priority:  minor    |   Milestone:               
 Component:  MSN      |     Version:  2.4.3        
Resolution:           |    Keywords:  file transfer
   Pending:  0        |  
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Comment (by khc at pidgin.im):

 (In [3008474548ddd234f222ed5a0be3066e2ea0da0b]):[[BR]]
 take an extra reference to PurpleXfer so we can check whether the whole
 thing went away. I haven't tested this because it's late, but it shouldn't
 break things or at least shouldn't make things worse.

 It would be great if someone can test this and let me know.

 References #6246

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Ticket URL: <http://developer.pidgin.im/ticket/6246#comment:4>
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