fix(extern static): unsafe_op_in_unsafe_fn

Signed-off-by: Martin Kröning <martin.kroening@eonerc.rwth-aachen.de>

src/arch/x86_64/mod.rs

@@ -443,7 +443,7 @@ pub unsafe fn boot_kernel(kernel_info: LoadedKernel) -> ! {
 	let multiboot = unsafe { Multiboot::from_ptr(mb_info as u64, &mut mem).unwrap() };
 
 	// determine boot stack address
-	let mut new_stack = ptr::addr_of!(kernel_end)
+	let mut new_stack = unsafe { ptr::addr_of!(kernel_end) }
 		.addr()
 		.align_up(Size4KiB::SIZE as usize);