1.9.x slices, newfs, and vinum problem?

[Chris Turner]

Matthew Dillon wrote:
> 
>     This is because vinum is trying to write into the label area
>     for the drive, because you have partition 'a' starting at block #0.
> 
confirming bumping start up to 16 (per your 8192 number) clears this up,
as well as bumping up to 10 (per sizeof(struct dfly_disklabel)) .

Seeing as it seems like I'm the only one using this,
I'm okay to break backwords compat. :)

just kidding.. sort-of.

- Chris