[xmonad] Applied: darcs patch: Fix MultiToggle crashes with decorated layouts

[darcswatch at nomeata.de]

This 1-patch bundle was just applied to http://code.haskell.org/XMonadContrib:

20091220004733  Tomas Janousek <tomi at nomi.cz>
 * Fix MultiToggle crashes with decorated layouts
 The problem was that certain layouts keep their "world" state in their value,
 which was thrown away and forgotten after ReleaseResources during toggle