Remove tab character from Transmit cask

The transmit cask had a tab character that would display the file like so: 

![screen shot 2013-07-09 19 10 55 0000](https://f.cloud.github.com/assets/1889575/770384/545a0338-e8cb-11e2-9a49-483bc7229d1f.png)

I replaced the tab characters with spaces.