Call changed() with vm context

src/client/refresh.js

@@ -14,7 +14,7 @@ export default function _refresh (options = {}) {
    */
   return function refresh () {
     const info = getMetaInfo(options)(this.$root)
-    updateClientMetaInfo(options)(info)
+    updateClientMetaInfo(options).call(this, info)
     return info
   }
 }

src/client/updateClientMetaInfo.js

@@ -52,7 +52,7 @@ export default function _updateClientMetaInfo (options = {}) {
 
       // emit "event" with new info
       if (typeof newInfo.changed === 'function') {
-        newInfo.changed(newInfo, addedTags, removedTags)
+        newInfo.changed.call(this, newInfo, addedTags, removedTags)
       }
     } else {
       // remove the server render attribute so we can update on changes