add wai-extra 0.4.0.4 dependency

yesod/yesod.cabal

@@ -71,7 +71,7 @@ library
                    , monad-control             >= 0.2      && < 0.3
                    , transformers              >= 0.2      && < 0.3
                    , wai                       >= 0.4      && < 0.5
-                   , wai-extra                 >= 0.4      && < 0.5
+                   , wai-extra                 >= 0.4.0.4  && < 0.5
                    , hamlet                    >= 0.9      && < 0.10
                    , warp                      >= 0.4      && < 0.5
                    , mime-mail                 >= 0.3      && < 0.4