fixed the highlight style doesn't remove.

If I move the cursor, the highlight line doesn't be removed.
![2014-07-21 12 59 36](https://cloud.githubusercontent.com/assets/1680868/3640042/531f08b4-1094-11e4-98e6-7fef44394eba.png)

My settings is default.
![2014-07-21 12 59 53](https://cloud.githubusercontent.com/assets/1680868/3640044/617a3a50-1094-11e4-8667-2c4ebed41c46.png)