minor unread circle alignment fix

double digit (or larger) numbers have been slightly uneven... fixing

this 

![screenshot 2014-09-03 23 40 48](https://cloud.githubusercontent.com/assets/1681963/4144770/943107a4-33e8-11e4-9e90-a796a286c81a.png)

instead of

![screenshot 2014-09-04 00 04 07](https://cloud.githubusercontent.com/assets/1681963/4144768/8f4f0c04-33e8-11e4-92db-16ab04e00ca8.png)