ndb - make sure scan recevier pointers are aligned

  if(parallel > m_allocated_receivers){

    const Uint32 sz = parallel * (4*sizeof(char*)+sizeof(Uint32));

    Uint32 * tmp = new Uint32[(sz+3)/4];

    Uint64 * tmp = new Uint64[(sz+7)/8];

    // Save old receivers

    memcpy(tmp+parallel, m_receivers, m_allocated_receivers*sizeof(char*));

    memcpy(tmp, m_receivers, m_allocated_receivers*sizeof(char*));

    delete[] m_array;

    m_array = tmp;

    m_array = (Uint32*)tmp;

    m_prepared_receivers = tmp;

    m_receivers = (NdbReceiver**)(tmp + parallel);

    m_receivers = (NdbReceiver**)tmp;

    m_api_receivers = m_receivers + parallel;

    m_conf_receivers = m_api_receivers + parallel;

    m_sent_receivers = m_conf_receivers + parallel;

    m_prepared_receivers = (Uint32*)(m_sent_receivers + parallel);

    // Only get/init "new" receivers

    NdbReceiver* tScanRec;