avoid showing message for new buffers

Every time I open a new buffer, I see the `Hard time on` message, then I have to press `enter` to actually start editing my file. 

![screenshot 2014-09-10 23 52 15](https://cloud.githubusercontent.com/assets/183363/4228687/75967d6a-3960-11e4-8b85-b467345a8ba6.png)

With this change we avoid showing this message for every new buffer.