[xmonad] [patch] xmonad-contrib: fix 7.10.2 build

[Tuncer Ayaz]

On Wed, Jun 17, 2015 at 9:16 PM, Tuncer Ayaz wrote:
> GHC change #10194 exposed a missing extension or otherwise made the
> xmonad-compile not build with 7.10.2.

Sorry, forgot the link:
https://ghc.haskell.org/trac/ghc/ticket/10194

> Attached you can find a patch to enable ImpredicativeTypes in one
> module, in order to fix the build.
>
> Tested with 7.10.2-rc2.