[Lazarus] TTabControl Problems

[David Riley]

I've recently upgraded from Ubuntu 10.04 to Fedora 16 with Gnome Shell
and I've been getting a strange error using TTabControl.  Creating a
blank form and dropping a single tab control on to it raises
EInterfaceCritical: "clearlooks_style_draw_box_gap: assertion 'height >=
-1' failed".  My application features quite a few TTabControls in
various options dialogs, and I was wondering if anyone has a workaround
for this.  They were all functional using Gnome 2, and now opening any
form with a TTabControl raises this error in Gnome 3.

Thanks for your time,
     David