[Pidgin] #15347: Increase tab title ellipsizing limit

[Pidgin]

#15347: Increase tab title ellipsizing limit
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 Reporter:  renatosilva  |      Owner:
     Type:  defect       |     Status:  new
Milestone:               |  Component:  pidgin (gtk)
  Version:  2.10.6       |   Keywords:
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 This simple patch increases max width for side-aligned tab titles
 responsible for triggering text ellipsizing, allowing for bigger
 conversation names to change from this:

 [[Image(http://developer.pidgin.im/raw-attachment/ticket/#/before.png)]]

 to this:

 [[Image(http://developer.pidgin.im/raw-attachment/ticket/#/after.png)]]

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Ticket URL: <https://developer.pidgin.im/ticket/15347>
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