Revert "savevm: fix corruption in vmstate_subsection_load()."

This reverts commit eb60260de0b050a5e8ab725e84d377d0b44c43ae.

Conflicts:

	savevm.c

We changed qemu_peek_byte() prototype, just fixed the rejects.

Signed-off-by: Juan Quintela<quintela@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
