[Pidgin] #4829: File Transfers crashes

[Pidgin]

#4829: File Transfers crashes
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 Reporter:  Twain28            |        Owner:  MarkDoliner
     Type:  defect             |       Status:  new        
Milestone:                     |    Component:  AIM        
  Version:  2.3.1              |   Resolution:             
 Keywords:  AIM file transfer  |  
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Comment(by darkrain42 at pidgin.im):

 (In [6543699e5f6e245ea5a903f2ee37d94f130fd66a]):[[BR]]
 Add some debugging for a file transfer crash. Refs #4829.

 The crash is happening because something in inner_tlvlist in
 aim_im_sendch2_sendfile_requestdirect is NULL, which then causes
 aim_tlvlist_write to call byte_stream_putraw on a NULL pointer
 (length is greater than 0, so aim_tlvlist_write assumes there is
 something there). I don't see *why*, but I think this will "fix"
 it.

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Ticket URL: <http://developer.pidgin.im/ticket/4829#comment:10>
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