Fixing IHaskellPrelude for GHC 7.6

src/IHaskellPrelude.hs

+{-# LANGUAGE CPP #-}
 module IHaskellPrelude (
   module IHaskellPrelude,
   module X,
 
   -- Select reexports
-  Data.Typeable.Proxy,
   Data.Typeable.Typeable,
   Data.Typeable.cast,
 
+#if MIN_VERSION_ghc(7,8,0)
+  Data.Typeable.Proxy,
+
   GHC.Exts.IsString,
   GHC.Exts.IsList,
+#endif
 
   System.IO.hPutStrLn,
   System.IO.hPutStr,

src/Main.hs

-{-# LANGUAGE NoImplicitPrelude, CPP, OverloadedStrings, ScopedTypeVariables, QuasiQuotes #-}
+{-# LANGUAGE CPP, ScopedTypeVariables, QuasiQuotes #-}
 
 -- | Description : Argument parsing and basic messaging loop, using Haskell
 --                 Chans to communicate with the ZeroMQ sockets.