Tabbed.hs, SetWMName.hs: the modules need bitwise "or"

Tabbed.hs cleaned of trailing whitespace.

XMonad/Hooks/SetWMName.hs

@@ -37,6 +37,7 @@ module XMonad.Hooks.SetWMName (
 
 import Control.Monad (join)
 import Control.Monad.Reader (asks)
+import Data.Bits ((.|.))
 import Data.Char (ord)
 import Data.List (nub)
 import Data.Maybe (fromJust, listToMaybe, maybeToList)

XMonad/Layout/Tabbed.hs

@@ -26,6 +26,7 @@ import Control.Monad.State ( gets )
 import Control.Monad.Reader
 import Data.Maybe
 import Data.List
+import Data.Bits ((.|.))
 
 import Graphics.X11.Xlib
 import Graphics.X11.Xlib.Extras