Patch for /trunk/javascript/base64.js

```
Added missing semicolon
```

Original issue reported on code.google.com by `p_reg...@gmx.ch` on 7 Jun 2013 at 1:59

Attachments:
- [base64.js.patch](https://storage.googleapis.com/google-code-attachments/stringencoders/issue-34/comment-0/base64.js.patch)
