Modified unbounce embed script to allow global `_ubaq` variable declaration inside a closure

unbounce.js

window._ubaq = window._ubaq || [];
window._ubaq.push(['trackGoal', 'convert']);
(function() {
    var ub_script = document.createElement('script');
    ub_script.type = 'text/javascript';
    ub_script.src = 
    ('https:' == document.location.protocol ? 'https://' : 'http://') + 
        'd3pkntwtp2ukl5.cloudfront.net/uba.js';
    var s = document.getElementsByTagName('script')[0];
    s.parentNode.insertBefore(ub_script, s);
})();