Fix product options page spacing bug.

Before: The "value" column was a bit off.

![screen shot 2013-11-30 at 9 33 33 am](https://f.cloud.github.com/assets/193112/1647963/e80d143a-595f-11e3-8f4c-978bc2cb8975.png)

After:

![screen shot 2013-11-30 at 9 36 21 am](https://f.cloud.github.com/assets/193112/1647964/ef2a7e2e-595f-11e3-80d5-5afd0fac8960.png)