Line 9: change comma to semicolon

Function expression on line 9 ended with a comma instead of a semicolon--now fixed.

![before](https://cloud.githubusercontent.com/assets/3811225/4801050/81ef2d50-5e2c-11e4-8ffd-7f067f35f526.png)
![after](https://cloud.githubusercontent.com/assets/3811225/4801051/852995f0-5e2c-11e4-984b-beb279fa23b7.png)