* include/grub/i386/loader.h (grub_linux16_boot): Renamed to ...
(grub_linux16_real_boot): ... this.
* kern/i386/loader.S: Likewise.
* loader/i386/pc/linux.c: Include `<grub/video.h>' and `<grub/mm.h>'.
(grub_linux16_boot): New function. Switches to text mode and calls
grub_linux16_real_boot().
* loader/i386/bsd.c: Include `<grub/video.h>'.
(grub_freebsd_boot, grub_openbsd_boot, grub_netbsd_boot): Switch to
text mode before calling grub_unix_real_boot().
* loader/i386/multiboot.c: Include `<grub/video.h>'.
(grub_multiboot_boot): Switch to text mode before calling
grub_relocator32_boot().
* loader/i386/pc/chainloader.c: Include `<grub/video.h>'.
(grub_chainloader_boot): Switch to text mode before calling
grub_chainloader_real_boot().