[Bug 75209] Workspace switcher generates gtk_widget_size_allocate() warning

[Sitsofe Wheeler]

Public bug reported:

Binary package hint: gnome-panel

Description of the problem:
When the workspace switcher applet is added to a panel (either at boot when the panel is create or by hand) a warning is logged in ~/.xsession-errors .

Steps to reproduce:
1. Start a terminal.
2. In the terminal type
tail -f ~/.xsession-errors .
3. Press the right mouse button on an empty piece of panel and select "Add to Panel...".
4. Under Desktop & Windows select "Workspace Switcher" and then click on the Add button.

Expected results:
No new messages to appear in the terminal.

Actual results:
The followinig message appears in the terminal:
(gnome-panel:5156): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width -3 and height 24

Version information:
Ubuntu Edgy
gnome-panel 2.16.1-0ubuntu3

** Affects: gnome-panel (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

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Workspace switcher generates gtk_widget_size_allocate() warning
https://launchpad.net/bugs/75209