Fix 32-unlisted-module test on Windows (handle different newlines)

Author: borsboom

test/integration/tests/32-unlisted-module/files/files.cabal

@@ -12,5 +12,6 @@ executable files-exe
   hs-source-dirs:      src/../src
   main-is:             Main.hs
   build-depends:       base >= 4.7 && < 5
+                     , bytestring
                      , file-embed
   default-language:    Haskell2010

test/integration/tests/32-unlisted-module/files/src/Main.hs

@@ -2,14 +2,16 @@
 {-# LANGUAGE OverloadedStrings #-}
 module Main where
 
+import qualified Data.ByteString.Char8 as C8
 import Data.FileEmbed
+import Data.List
 import Unlisted
 
 main :: IO ()
 main = do
     putStrLn ("main " ++ show foo ++ " " ++ show embedded)
-    if embedded == "FAIL\n"
+    if "FAIL" `C8.isPrefixOf` embedded
         then error "embedded contains FAIL"
         else return ()
 
-embedded  = $(embedFile "embed.txt")
+embedded = $(embedFile "embed.txt")