Update buildroot source to always open to bash instead of ash/dash/busybox sh.  Remove the fdisk before/after checks as thats really just for debugging.  It hurts systems, especially vm's, with many disk points even if the real diskpoint isn't there.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@2790 71f96598-fa45-0410-b640-bcd6f8691b32