fix warning

This commit is contained in:
Jorge Aparicio 2017-04-12 16:26:42 -05:00
parent 2d334e76dd
commit 1ed5696f76

View file

@ -8,6 +8,7 @@ extern crate typenum;
use core::cell::UnsafeCell;
use core::marker::PhantomData;
#[cfg(not(thumbv6m))]
use core::ops::Sub;
use cortex_m::interrupt::Nr;