message: Compile for redox
diff: @@ -89,6 +89,8 @@ pub mod job_control {
  use std::sync::{Arc, Mutex};
  use syscall;
  use shell::foreground::ForegroundSignals;
  + use shell::status::TERMINATED;
  + use shell::Shell;
  pub fn watch_background(
  fg: Arc<ForegroundSignals>,
  