message: Use get_path() instead of get_string()
diff: @@ -71,9 +71,10 @@ pub fn output_depinfo<'a, 'b>(context: &mut Context<'a, 'b>, unit: &Unit<'a>) ->
  let mut visited = HashSet::new();
  let success = add_deps_for_unit(&mut deps, context, unit, &mut visited).is_ok();
  let basedir_string;
  - let basedir = match context.config.get_string("build.dep-info-basedir")? {
  + let basedir = match context.config.get_path("build.dep-info-basedir")? {
  Some(value) => {
  - basedir_string = value.val;
  + basedir_string = value.val.as_os_str().to_str().
  + ok_or_else(|| internal("build.dep-info-basedir path not utf-8"))?.to_string();
  Some(basedir_string.as_str())
  }
  None => None,
  