Remove -fglasgow-exts for deriving Data/Typeable needed with ghc-6.6

Ignore-this: 8f9e33a86a9919406792383c49ac4555

This gets rid of a warning with ghc-7.0.2, and -XDeriveDataTypeable seems to
have been added with 6.8, which should be far back enough:
http://www.haskell.org/ghc/docs/6.8-latest/html/users_guide/deriving.html#deriving-typeable

darcs-hash:20110608230415-1499c-2929ccda56381f501e548f5a00e7d8f03e80c016.gz

1 files changed, 1 insertions, 3 deletions

diff --git a/XMonad/Core.hs b/XMonad/Core.hs
index 765985f..ba12455 100644
--- a/XMonad/Core.hs
+++ b/XMonad/Core.hs
@@ -1,7 +1,5 @@
 {-# LANGUAGE ExistentialQuantification, FlexibleInstances, GeneralizedNewtypeDeriving,
-             MultiParamTypeClasses, TypeSynonymInstances, CPP #-}
--- required for deriving Typeable
-{-# OPTIONS_GHC -fglasgow-exts #-}
+             MultiParamTypeClasses, TypeSynonymInstances, CPP, DeriveDataTypeable #-}
 
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