message: Don't log RandAddSeedPerfmon details
  These are hard to deal with, as in a follow-up this function can get
  called before the logging infrastructure is initialized.
diff: @@ -166,13 +166,13 @@ static void RandAddSeedPerfmon()
  if (ret == ERROR_SUCCESS) {
  RAND_add(vData.data(), nSize, nSize / 100.0);
  memory_cleanse(vData.data(), nSize);
  - LogPrint(BCLog::RAND, "%s: %lu bytes\n", __func__, nSize);
  } else {
  - static bool warned = false; // Warn only once
  - if (!warned) {
  - LogPrintf("%s: Warning: RegQueryValueExA(HKEY_PERFORMANCE_DATA) failed with code %i\n", __func__, ret);
  - warned = true;
  - }
  + // Performance data is only a best-effort attempt at improving the
  + // situation when the OS randomness (and other sources) aren't
  + // adequate. As a result, failure to read it is isn't considered critical,
  + // so we don't call RandFailure().
  + // TODO: Add logging when the logger is made functional before global
  + // constructors have been invoked.
  }
  #endif
  }
  