Fix CI

Author: rossberg

interpreter/jslib/wast.ml

@@ -13,7 +13,7 @@ let () =
         let bs =
           match def.Source.it with
           | Script.Textual (m, cs) -> Encode.encode_with_custom (m, cs)
-          | Script.Encoded (_, bs) -> bs
+          | Script.Encoded (_, bs) -> bs.Source.it
           | Script.Quoted (_, _) -> failwith "Unsupported" in
         let buf = new%js Typed_array.arrayBuffer (String.length bs) in
         let u8arr = new%js Typed_array.uint8Array_fromBuffer buf in