[TEST/REVIEW] boot0cfg/fdisk issue fix

[Poul-Henning Kamp]

In message <20050706103934.GE25722 at beatrix.daedalusnetworks.priv>, Giorgos Kera
midas writes:

>Yes, please.  Right now, there are times that sysinstall breaks in funny
>ways when changes are made to the partition table of a disk.  The bug
>usually shows up when one hits 'w' instead of 'q' in the slice editor.

This patch does not change sysinstall, but the changes can be incorporated
by anyone with a bit of time.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.