Fix incorrect texture sizing in Yu-Gi-Oh! 5D's Tag Force 6

-Before
![screen00000](https://f.cloud.github.com/assets/3000282/758199/2a20c1c6-e71b-11e2-91c2-8060ad7b9cf3.jpg)

-After
![screen00013](https://f.cloud.github.com/assets/3000282/758204/5c4b71f0-e71b-11e2-8360-5dda8bce3b5d.jpg)