message: netaddress: Make IPv4 loopback comment more descriptive
diff: @@ -182,7 +182,7 @@ bool CNetAddr::IsTor() const
  bool CNetAddr::IsLocal() const
  {
  - // IPv4 loopback
  + // IPv4 loopback (127.0.0.0/8 or 0.0.0.0/8)
  if (IsIPv4() && (GetByte(3) == 127 || GetByte(3) == 0))
  return true;
  