Update for new rust

src/context/arch/x86_64.rs

@@ -1,11 +1,11 @@
 use core::mem;
-use core::sync::atomic::{AtomicBool, ATOMIC_BOOL_INIT};
+use core::sync::atomic::AtomicBool;
 
 /// This must be used by the kernel to ensure that context switches are done atomically
 /// Compare and exchange this to true when beginning a context switch on any CPU
 /// The `Context::switch_to` function will set it back to false, allowing other CPU's to switch
 /// This must be done, as no locks can be held on the stack during switch
-pub static CONTEXT_SWITCH_LOCK: AtomicBool = ATOMIC_BOOL_INIT;
+pub static CONTEXT_SWITCH_LOCK: AtomicBool = AtomicBool::new(false);
 
 #[derive(Clone, Debug)]
 pub struct Context {