changed indent method according to ghc standard

CSVParser.hs

@@ -1,31 +1,31 @@
 module CSVParser (
-	parseCSV
-)where
+    parseCSV
+    )where
 
 import Text.ParserCombinators.Parsec
 
 csvFile :: GenParser Char st [[String]]
 csvFile = do
-	result <- many line
-	eof
-	return result
+    result <- many line
+    eof
+    return result
 
 line :: GenParser Char st [String]
 line = do
-	result <- cells
-	_ <- eol
-	return result
+    result <- cells
+    _ <- eol
+    return result
 
 cells :: GenParser Char st [String]
 cells = do
-	first <- cellContent
-	next <- remainingCells
-	return (first : next)
+    first <- cellContent
+    next <- remainingCells
+    return (first : next)
 
 remainingCells :: GenParser Char st [String]
 remainingCells =
-	(char ',' >> cells)            -- Found comma?  More cells coming
-	<|> return []                -- No comma?  Return [], no more cells
+    (char ',' >> cells)            -- Found comma?  More cells coming
+    <|> return []                -- No comma?  Return [], no more cells
 
 cellContent :: GenParser Char st String
 cellContent = many (noneOf ",\n")