Fix some warnings

[ghc-heap-view.git] / src / GHC / HeapView.hs

diff --git a/src/GHC/HeapView.hs b/src/GHC/HeapView.hs
index 17bf6e6..7b68cde 100644 (file)
--- a/src/GHC/HeapView.hs
+++ b/src/GHC/HeapView.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE MagicHash, UnboxedTuples, CPP, ForeignFunctionInterface, GHCForeignImportPrim, UnliftedFFITypes, BangPatterns, RecordWildCards, DeriveFunctor, DeriveFoldable, DeriveTraversable #-}
+{-# LANGUAGE MagicHash, UnboxedTuples, CPP, ForeignFunctionInterface, GHCForeignImportPrim, UnliftedFFITypes, BangPatterns, RecordWildCards, DeriveFunctor, DeriveFoldable, DeriveTraversable, PatternGuards #-}
 {-|
 Module      :  GHC.HeapView
 Copyright   :  (c) 2012 Joachim Breitner