Fix compiling with base version < 4.6.0

Before base-4.6 catch was in Prelude which is conflicting with the
import of Control.Exception.catch

1 files changed, 4 insertions, 1 deletions

diff --git a/src/Data/ByteString/Base32/Internal.hs b/src/Data/ByteString/Base32/Internal.hs
index 78b1146..aa7c5b3 100644
--- a/src/Data/ByteString/Base32/Internal.hs
+++ b/src/Data/ByteString/Base32/Internal.hs
@@ -8,7 +8,7 @@
 --   (Word5 <-> Word8) and (Word8 -> Word5) bytestring packers using
 --   lookup table.
 --
-{-# LANGUAGE BangPatterns #-}
+{-# LANGUAGE CPP, BangPatterns #-}
 module Data.ByteString.Base32.Internal
        ( Word5
        , Word8
@@ -22,6 +22,9 @@ module Data.ByteString.Base32.Internal
        , invIx
        ) where
 
+#if !MIN_VERSION_base(4,6,0)
+import Prelude hiding (catch)
+#endif
 import Control.Exception hiding (mask)
 import Data.Bits.Extras
 import Data.ByteString as BS