change nhc98 option from -prelude to --prelude

diff --git a/Control/Monad/Instances.hs b/Control/Monad/Instances.hs
index f53fac2..1b0b2bf 100644 (file)
--- a/Control/Monad/Instances.hs
+++ b/Control/Monad/Instances.hs
@@ -1,4 +1,4 @@
-{-# OPTIONS_NHC98 -prelude #-}
+{-# OPTIONS_NHC98 --prelude #-}
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Monad.Instances