message: add clarification comment about a continue in deadlock detection logic
diff: @@ -131,6 +131,7 @@ static bool ReadRecursiveCheck(const uint64_t &tid,
  {
  if (threadId == lastTid)
  {
  + // this continue fixes an infinite looping problem
  continue;
  }
  auto other_iter = lockdata.locksheldbythread.find(threadId);
  @@ -223,6 +224,7 @@ static bool WriteRecursiveCheck(const uint64_t &tid,
  {
  if (threadId == lastTid)
  {
  + // this continue fixes an infinite looping problem
  continue;
  }
  auto other_iter = lockdata.locksheldbythread.find(threadId);
  