[xmonad] darcs patch: DynamicBars-use-ExtensibleState

[gopsychonauts at gmail.com]

1 patch for repository http://code.haskell.org/XMonadContrib:

Tue Jun 18 17:47:55 EST 2013  gopsychonauts at gmail.com
  * DynamicBars-use-ExtensibleState
  
  Hooks.DynamicBars was previously using an MVar and the unsafePerformIO hack (
  http://www.haskell.org/haskellwiki/Top_level_mutable_state ) to store bar
  state. Since ExtensibleState exists to solve these sorts of problems, I've
  switched the file over to use unsafePerformIO instead.
  
  Some functions' types had to be changed to allow access to XState, but the
  public API is unchanged.
  

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