make Control.Monad.Instances compilable by nhc98

diff --git a/Control/Monad/Instances.hs b/Control/Monad/Instances.hs
index 1641e03..f53fac2 100644 (file)
--- a/Control/Monad/Instances.hs
+++ b/Control/Monad/Instances.hs
@@ -1,3 +1,4 @@
+{-# OPTIONS_NHC98 -prelude #-}
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Monad.Instances
@@ -11,7 +12,7 @@
 -- 'Functor' and 'Monad' instances for @(->) r@ and
 -- 'Functor' instances for @(,) a@ and @'Either' a@.
 
-module Control.Monad.Instances () where
+module Control.Monad.Instances (Functor(..),Monad(..)) where
 
 import Prelude