minor coding issue

[kentarou]

Some semicolons were omitted in prototype.js Ver.1.7.3.

585c585
<       match = source.match(pattern)

---
>       match = source.match(pattern);
2356c2356
<         iterator = function(node) { parent.appendChild(node); }

---
>         iterator = function(node) { parent.appendChild(node); };`

Thank you.