[Xmonad] darcs patch: Tabs should stay beneath any floating window

Hi, this fixes the issue reported by Geoffrey about tabs drawn over floating windows. ciaoa andrea Sat Jul 7 08:49:41 CEST 2007 Andrea Rossato * Tabs should stay beneath any floating window This fixes the issue reported by Geoffrey Alan Washburn: " Sometimes the tabs will be drawn on top of floating windows." Not anymore!