[Pidgin] #7516: XMPP "headline" messages create new conversation tab in 2.5.2

[Pidgin]

#7516: XMPP "headline" messages create new conversation tab in 2.5.2
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 Reporter:  jts    |        Owner:  deryni
     Type:  patch  |       Status:  new   
Milestone:         |    Component:  XMPP  
  Version:  2.5.2  |   Resolution:        
 Keywords:         |  
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Comment(by darkrain42):

 The correct fix is probably to only execute both sides of that if
 statement if smiley_refs is non-NULL (or however
 `jabber_message_get_refs_from_xmlnode` represents that it found no
 smileys).

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Ticket URL: <http://developer.pidgin.im/ticket/7516#comment:4>
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