(lib/sleep_util) fix missing import

Author: dvdsk

library/std/src/sys/pal/unix/thread.rs

@@ -408,7 +408,7 @@ impl Thread {
 #[cfg(target_vendor = "apple")]
 const KERN_SUCCESS: libc::c_int = 0;
 #[cfg(target_vendor = "apple")]
-const KERN_SUCCESS: libc::c_int = 14;
+const KERN_ABORTED: libc::c_int = 14;
 
 #[cfg(target_vendor = "apple")]
 #[repr(C)]

library/std/src/sys/pal/windows/thread.rs

@@ -8,7 +8,7 @@ use crate::os::windows::io::{AsRawHandle, HandleOrNull};
 use crate::sys::handle::Handle;
 use crate::sys::{c, stack_overflow};
 use crate::sys_common::FromInner;
-use crate::time::Duration;
+use crate::time::{Duration, Instant};
 use crate::{io, ptr};
 
 pub const DEFAULT_MIN_STACK_SIZE: usize = 2 * 1024 * 1024;