[Pidgin] #3634: Add a function to set the CA cert search path.

[Pidgin]

#3634: Add a function to set the CA cert search path.
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  Reporter:  fqueze     |       Owner:  wehlhard
      Type:  patch      |      Status:  new     
  Priority:  minor      |   Milestone:  2.3.0   
 Component:  libpurple  |     Version:  2.2.1   
Resolution:             |    Keywords:          
   Pending:  0          |  
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Comment (by sadrul):

 Perhaps we can do a _ca_add_search_path instead (like
 _plugins_add_search_path).

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Ticket URL: <http://developer.pidgin.im/ticket/3634#comment:4>
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