Changed 'hasOwnProperty' call in Request

Author: Pritilender

lib/request.js

@@ -33,14 +33,14 @@ function Request(options) {
 
   // Store the headers in lower case.
   for (var field in options.headers) {
-    if (options.headers.hasOwnProperty(field)) {
+    if (Object.prototype.hasOwnProperty.call(options.headers, field)) {
       this.headers[field.toLowerCase()] = options.headers[field];
     }
   }
 
   // Store additional properties of the request object passed in
   for (var property in options) {
-    if (options.hasOwnProperty(property) && !this[property]) {
+    if (Object.prototype.hasOwnProperty.call(options, property) && !this[property]) {
       this[property] = options[property];
     }
   }