-DELF.
	* grub-core/efiemu/runtime/config.h: Use __i386__ and __x86_64__
	instead of ELF*.

	a const pointer.
	* grub-core/efiemu/runtime/efiemu.c (efiemu_memcpy): Make from a
	const pointer.
	(efiemu_set_variable): Make vendor_guid a const pointer.

	* grub-core/kern/misc.c: Likewise.
	* grub-core/loader/i386/xnu.c: Likewise.
	* include/grub/i386/tsc.h: Likewise.
	* include/grub/symbol.h: Likewise.

	const qualifier.
	(efiemu_memequal): Likewise.
	(find_variable): Likewise.

	* grub-core/efiemu/runtime/efiemu.c: explicitly include right
	cpu/types.h.
	(efiemu_set_virtual_address_map): Remove UINT_TO_PTR.
	* configure.ac: Fix efiemu check.