fix(test): static_mut_refs

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

Author: mkroening

testing/src/gdt.rs

@@ -1,3 +1,4 @@
+use core::ptr;
 use lazy_static::lazy_static;
 use x86_64::structures::gdt::{Descriptor, GlobalDescriptorTable, SegmentSelector};
 use x86_64::structures::tss::TaskStateSegment;
@@ -12,7 +13,7 @@ lazy_static! {
             const STACK_SIZE: usize = 4096;
             static mut STACK: [u8; STACK_SIZE] = [0; STACK_SIZE];
 
-            let stack_start = VirtAddr::from_ptr(unsafe { &STACK });
+            let stack_start = VirtAddr::from_ptr(unsafe { ptr::addr_of!(STACK) });
             let stack_end = stack_start + STACK_SIZE as u64;
             stack_end
         };