fix alignment of inlining cost with verbose dinfo

[simeonschaub]

Before:

After:

[vchuravy]

Can you add a test as well if that makes sense?

[simeonschaub]

I tried out a more systematic approach to testing in #199, since I otherwise couldn't come up with a good way of testing something like this. Please let me know what you think.

[vchuravy]

Great thanks!