[Pidgin] #2081: writing-{chat, im}-msg signals should use pointers to flags

[Pidgin]

#2081: writing-{chat,im}-msg signals should use pointers to flags
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  Reporter:  resiak     |       Owner:  resiak  
      Type:  defect     |      Status:  assigned
  Priority:  minor      |   Milestone:  3.0.0   
 Component:  libpurple  |     Version:  2.0.2   
Resolution:             |    Keywords:          
   Pending:  0          |  
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Comment (by resiak at soc.pidgin.im):

 (In [9f6c0c35506dcec2752c2c36f0de87326c33e6c4]) Oleg Sukhodolsky noticed
 that the callback function was cast incorrectly in
 purple_marshal_BOOLEAN__POINTER_POINTER_POINTER_POINTER_UINT.

 (References #2081.)

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Ticket URL: </ticket/2081#comment:3>
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