add missing extensions for Windows

[ghc-base.git] / GHC / IO / Encoding.hs

diff --git a/GHC/IO/Encoding.hs b/GHC/IO/Encoding.hs
index 9f56966..5d8ecb4 100644 (file)
--- a/GHC/IO/Encoding.hs
+++ b/GHC/IO/Encoding.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE CPP, NoImplicitPrelude #-}
+{-# LANGUAGE CPP, NoImplicitPrelude, PatternGuards #-}
 {-# OPTIONS_GHC -funbox-strict-fields #-}
 
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