use FiniteBitSize with ghc >= 7.8
use FiniteBitSize with ghc >= 7.8

Ignore-this: 90f855fd72406fb3d2640a133d499188

darcs-hash:20140815051136-1499c-ba127cec9ea6d28bdc8372ab4a506ee74f047fa6

yzhou61/xmonad-contrib,yzhou61/xmonad-contrib,yzhou61/xmonad-contrib