message: Use already casted token_enum
diff: @@ -57,7 +57,7 @@ void MacroStringConcatenationRule::HandleToken(const TokenInfo& token) {
  // Search only in `define tokens. Ignore state as `defines can be nested.
  if (token_enum == PP_define_body) {
  - if (IsUnlexed(verilog_tokentype(token.token_enum()))) {
  + if (IsUnlexed(verilog_tokentype(token_enum))) {
  verible::ValueSaver<State> state_saver(&state_, State::kInsideDefineBody);
  RecursiveLexText(
  text, [this](const TokenInfo& subtoken) { HandleToken(subtoken); });
  