[Pidgin] #2447: Only "Show Buddy Details" if extra details exist

[Pidgin]

#2447: Only "Show Buddy Details" if extra details exist
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 Reporter:  kentyman                          |       Type:  defect
   Status:  new                               |   Priority:  minor 
Component:  pidgin (gtk)                      |    Version:  2.1.0 
 Keywords:  sametime meanwhile buddy details  |    Pending:  0     
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 For example, if you're in a Sametime _chat_, then there aren't any details
 that aren't already in the tab itself. In fact, mousing over the details
 doesn't even yield a tooltip, probably for this reason.

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Ticket URL: <http://developer.pidgin.im/ticket/2447>
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