message: Fix crashes when trying to use destroyed SSL clients
diff: @@ -80,6 +80,10 @@ void DtlsSocket::startClient() {
  }
  bool DtlsSocket::handlePacketMaybe(const unsigned char* bytes, unsigned int len) {
  + if (mSsl == NULL) {
  + ELOG_WARN("handlePacketMaybe called after DtlsSocket closed: %p", this);
  + return false;
  + }
  DtlsSocketContext::PacketType pType = DtlsSocketContext::demuxPacket(bytes, len);
  if (pType != DtlsSocketContext::dtls) {
  