[Pidgin] #7732: Updated XMPP User Avatar support

[Pidgin]

#7732: Updated XMPP User Avatar support
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 Reporter:  darkrain42            |        Owner:  deryni
     Type:  patch                 |       Status:  new   
Milestone:                        |    Component:  XMPP  
  Version:  2.5.2                 |   Resolution:        
 Keywords:  jabber, xmpp, avatar  |  
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Comment(by paul at aurich.com):

 (In [0877e1f3bc6b944c67c5b352a8f04fddcb6c54e1]):[[BR]]
 Support an empty <metadata/> element to indicate that a user has no
 XEP-0084
 User Avatar.  Refs #7732, which also has another patch needing further
 review.

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Ticket URL: <http://developer.pidgin.im/ticket/7732#comment:4>
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