message: Take 2 for Redox
diff: @@ -2,7 +2,9 @@ extern crate libc;
  extern crate syscall;
  use std::{
  - env, io, mem,
  + env::{split_paths, remove_var, var, vars},
  + io,
  + mem,
  os::unix::{ffi::OsStrExt, io::RawFd},
  path::PathBuf,
  process::exit,
  @@ -292,6 +294,6 @@ pub mod env {
  };
  pub fn home_dir() -> Option<PathBuf> {
  - env::var_os("HOME").map(PathBuf::from);
  + env::var_os("HOME").map(PathBuf::from)
  }
  }
  