Update src/node-red/cnt.js

src/node-red/cnt.js

@@ -126,7 +126,7 @@ module.exports = function (RED) {
                 'headers': {
                     'X-M2M-RI': ri,
                     'X-M2M-Origin': adminOriginator,
-                    "X-M2M-RVI": "3",
+                    'X-M2M-RVI': '3',
                     'accept': 'application/json'
                 }
             };