Update perform.js

plugins/do/do-http-request/perform.js

@@ -56,7 +56,7 @@ function perform_function(context,request,response){
   // Setup Body if POST or PUT
   if(method == 'POST' || method == 'PUT') {
     if(option.headers['content-type'] && option.headers['content-type'] == 'application/json') {
-        option.body = JSON.parse(body) 
+        option.body = JSON.parse(body.replace(/\n/g, "\\\\n")) 
     } else {
         option.body = body
     }