fix haddock markup in Language/JavaScript/Parser/Token.hs

haddock failed as:
> src/Language/JavaScript/Parser/Token.hs:16:5:
>     parse error on input ‘-- * The tokens’

Signed-off-by: Sergei Trofimovich <siarheit@google.com>
Signed-off-by: Erik de Castro Lopo <erikd@mega-nerd.com>

Closes: #38
Closes: #39

Author: trofi

src/Language/JavaScript/Parser/Token.hs

@@ -13,8 +13,9 @@
 -----------------------------------------------------------------------------
 
 module Language.JavaScript.Parser.Token
-    -- * The tokens
-    ( Token (..)
+    (
+      -- * The tokens
+      Token (..)
     , CommentAnnotation (..)
     -- * String conversion
     , debugTokenString