message: address clippy warning
diff: @@ -105,7 +105,7 @@ pub trait SyscallInterface: Send + Sync {
  let ptr = Box::leak(format!("{}\0", a).into_boxed_str()).as_ptr();
  envv.push(ptr);
  }
  - envv.push(0usize as *const u8);
  + envv.push(core::ptr::null::<u8>());
  let argc = argv.len() as i32;
  let argv = Box::leak(argv.into_boxed_slice()).as_ptr();
  