[Bug 53436] close button in about diloge doesn't work

[Alendit]

Public bug reported:

Version: 2.15.4-0ubuntu1
Ubuntu-Egdy

In about dialoge the close button does nothing. Window close button at
right upper corner closes the window.

** Affects: deskbar-applet (Ubuntu)
     Importance: Untriaged
         Status: Unconfirmed

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close button in about diloge doesn't work 
https://launchpad.net/bugs/53436