[FrameworkBundle] fixed wrong indentation on route debug output

I'm not sure this is something to fix, but with this PR the debug output for a single route is like the lower part of the image, instead of the currently displayed upper part.

![output](https://f.cloud.github.com/assets/254808/120850/f2b6e8ce-6d43-11e2-9fdd-24200eb2e93b.jpg)