Fix typo that causes Json.create(String) to throw an exception.

Fixes issue 7485.

Review-Link: http://gwt-code-reviews.appspot.com/1802804/


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@11485 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/elemental/src/elemental/js/json/JsJsonString.java b/elemental/src/elemental/js/json/JsJsonString.java
index 3ed35bb..2db459b 100644
--- a/elemental/src/elemental/js/json/JsJsonString.java
+++ b/elemental/src/elemental/js/json/JsJsonString.java
@@ -37,7 +37,7 @@
    * MAGIC: String cast to object interface.
    */
   private static native JsJsonString createProd(String string) /*-{
-    return @elemental.js.json.JsJsonValue::box(Lelemental/json/JsonValue;)(value);
+    return @elemental.js.json.JsJsonValue::box(Lelemental/json/JsonValue;)(string);
   }-*/;
 
   protected JsJsonString() {