fixed the typeof comparison

Author: pmeisen

lib/breinify.js

@@ -223,7 +223,7 @@ Breinify.prototype = {
 
         var payload = {
             'apiKey': config.apiKey,
-            'unixTimestamp': Math.floor(typeof unixTimestamp === number ? unixTimestamp : Date.now() / 1000),
+            'unixTimestamp': Math.floor(typeof unixTimestamp === 'number' ? unixTimestamp : Date.now() / 1000),
             'user': user
         };