Fix windows build after migration changes

The live migration code broke the windows build.  As part of this 
change, I've switched the BIOS path to C:\Program Files\Qemu instead of 
/c/Program Files/Qemu.  The later is only valid when launching from MSYS 
but the former is always valid.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5524 c046a42c-6fe2-441c-8c8c-71466251a162
