Move RacyCell to `std::comm`

RacyCell is not exactly what we'd like as a final implementation for
this. Therefore, we're moving it under `std::comm` and also making it
private.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/libstd/sync/mutex.rs b/src/libstd/sync/mutex.rs
index d2dafac281a..77c358c6259 100644
--- a/src/libstd/sync/mutex.rs
+++ b/src/libstd/sync/mutex.rs
@@ -10,8 +10,9 @@
 
 use prelude::*;
 
-use cell::{UnsafeCell, RacyCell};
-use kinds::{marker, Sync};
+use comm::RacyCell;
+use cell::UnsafeCell;
+use kinds::marker;
 use sync::{poison, AsMutexGuard};
 use sys_common::mutex as sys;