add -fglasgow-exts to some modules that use it.

Decoration.hs

@@ -1,3 +1,4 @@
+{-# OPTIONS -fglasgow-exts #-}
 module XMonadContrib.Decoration ( newDecoration ) where
 
 import Data.Bits ( (.|.) )

GreedyView.hs

@@ -1,3 +1,4 @@
+{-# OPTIONS -fglasgow-exts #-}
 -- Maintainer: Spencer Janssen <sjanssen@cse.unl.edu>
 --
 -- greedyView is an alternative to standard workspace switching.  When a

Mosaic.hs

@@ -1,3 +1,4 @@
+{-# OPTIONS -fglasgow-exts #-}
 module XMonadContrib.Mosaic ( mosaic, expandWindow, shrinkWindow, squareWindow, myclearWindow,
                               tallWindow, wideWindow, flexibleWindow,
                               getName, withNamedWindow ) where

WorkspaceDir.hs

@@ -1,3 +1,4 @@
+{-# OPTIONS -fglasgow-exts #-}
 module XMonadContrib.WorkspaceDir ( workspaceDir, changeDir ) where
 
 -- to use: