[Pidgin] #10680: Ellipsized tab titles should have a tooltip

[Pidgin]

#10680: Ellipsized tab titles should have a tooltip
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Reporter:  FedericoMenaQuintero  |        Type:  patch       
  Status:  new                   |   Component:  pidgin (gtk)
 Version:  2.6.3                 |    Keywords:              
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 When I have many IRC tabs on the side, they often look like this for
 channels with similar names:

   #opensuse-...           (#opensuse-gnome)
   #opensuse-...           (#opensuse-project)
   #opensues-...           (#opensuse-factory)

 It's hard to see which channel is which.  The attached patch makes the
 tabs show a tooltip when they are ellipsized.

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Ticket URL: <http://developer.pidgin.im/ticket/10680>
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