message: Fixes macros sometimes not being excluded.
  Due to slightly dodgy statement visit.
diff: @@ -164,14 +164,6 @@ impl<'v, 'a> Visitor<'v> for IgnoredLines<'a> {
  }
  - fn visit_stmt(&mut self, s: &Stmt) {
  - match s.node {
  - StmtKind::Mac(_) => visit::walk_stmt(self, s),
  - _ => {},
  - }
  - }
  -
  -
  fn visit_mac(&mut self, mac: &Mac) {
  // Use this to ignore unreachable lines
  let mac_text = &format!("{}", mac.node.path)[..];
  