* util/biosdisk.c (linux_find_partition): Allocate real_dev on the
stack instead of on the heap.
* kern/disk.c (grub_disk_read): Make sure tmp_buf is big enough
before doing a read on it.
* configure.ac: Only use -fno-stack-protector for the target
environment.
* include/grub/i386/pc/util/biosdisk.h: Moved to ...
* include/grub/util/biosdisk.h: ... here.
* util/i386/pc/biosdisk.c: Moved to ...
* util/biosdisk.c: ... here.
* util/i386/pc/getroot.c: Moved to ...
* util/getroot.c: ... here.
* util/i386/pc/grub-mkdevicemap.c: Moved to ...
* util/grub-mkdevicemap.c: ... here.
* util/i386/pc/grub-probe.c: Moved to ...
* util/grub-probe.c: ... here.