Snip extra space in the summary

Tiny pull to snip an extra space between extensions on the decrypt screen.

Before:

![image](https://cloud.githubusercontent.com/assets/8218578/3911851/8428c564-2325-11e4-9b32-504855bf4c3d.png)

After:

![image](https://cloud.githubusercontent.com/assets/8218578/3911854/87847640-2325-11e4-9b4c-68bc21b78466.png)