message: Fix hiding warning in caf-vec
diff: @@ -654,10 +654,10 @@ void second_pass(blocking_actor* self, const group& grp,
  ++line;
  // increment local time
  auto& st = state(plain_entry.id);
  - // do not produce log output for silent actors but still track messages
  + // do not produce log output for internal actors but still track messages
  // through those actors, because they might be forwarding messages
  - bool silent = drop_hidden_actors && st.eid.hidden;
  - if (!silent)
  + bool internal = drop_hidden_actors && st.eid.hidden;
  + if (!internal)
  st.clock[st.eid.vid] += 1;
  // generate enhanced entry (with incomplete JSON timestamp for now)
  enhanced_log_entry entry{plain_entry, st.eid, st.clock, string{}};
  @@ -738,7 +738,7 @@ void second_pass(blocking_actor* self, const group& grp,
  oss << '}';
  entry.json_vstamp = oss.str();
  // print entry to output file
  - if (!silent) {
  + if (!internal) {
  std::lock_guard<std::mutex> guard{out_mtx};
  out << entry << '\n';
  }
  @@ -773,7 +773,7 @@ void caf_main(actor_system& sys, const config& cfg) {
  verbosity_level vl;
  switch (cfg.verbosity) {
  case 0:
  - vl = verbosity_level::silent;
  + vl = silent;
  break;
  case 1:
  vl = verbosity_level::informative;
  