[Pidgin] #13370: libpurple jabber does not process avatar removal updates

[Pidgin]

#13370: libpurple jabber does not process avatar removal updates
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Reporter:  mentor  |        Type:  defect   
  Status:  new     |   Component:  libpurple
 Version:  2.7.10  |    Keywords:           
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 libpurple does not process the case where the avatar hash is not present
 and does not ever set an empty avatar.

 This patch extends difference checking to empty avatars, and also sets
 empty avatar data.

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Ticket URL: <http://developer.pidgin.im/ticket/13370>
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