message: add reference to issue#1013
diff: @@ -27,9 +27,11 @@ impl<'tcx> EnvVars<'tcx> {
  ) -> InterpResult<'tcx> {
  let target_os = ecx.tcx.sess.target.target.target_os.as_str();
  if target_os == "windows" {
  - // Exclude `TERM` var to avoid terminfo trying to open the termcap file.
  + // Temporary hack: Exclude `TERM` var to avoid terminfo trying to open the termcap file.
  + // Can be removed once Issue#1013(Implement file system access for Windows) is resolved.
  excluded_env_vars.push("TERM".to_owned());
  }
  +
  if ecx.machine.communicate {
  for (name, value) in env::vars() {
  if !excluded_env_vars.contains(&name) {
  