Alter version parse error message to make it clearer

Distribution/Program.hs

@@ -208,7 +208,7 @@ findProgramAndVersion verbosity name maybePath versionArg selectVersion = do
   str <- rawSystemStdout verbosity (programPath prog) [versionArg]
   case readVersion (selectVersion str) of
     Just v -> return prog { programVersion = Just v }
-    _      -> die ("cannot determine version of " ++ name ++ " :\n  " ++ str)
+    _      -> die ("cannot determine version of " ++ name ++ " :\n" ++ show str)
 
 -- ------------------------------------------------------------
 -- * cabal programs

Distribution/Simple/Configure.hs

@@ -470,7 +470,7 @@ configCompilerVersion GHC compilerP verbosity = do
   str <- rawSystemStdout verbosity (programPath compilerP) ["--numeric-version"]
   case pCheck (readP_to_S parseVersion str) of
     [v] -> return v
-    _   -> die ("cannot determine version of " ++ programName compilerP ++ ":\n  "++ str)
+    _   -> die ("cannot determine version of " ++ programName compilerP ++ ":\n"++ show str)
 configCompilerVersion comp compilerP verbosity | comp `elem` [JHC,NHC] = do
   str <- rawSystemStdout verbosity (programPath compilerP) ["--version"]
   case words str of