message: Ensure that in-memory buffer created serialisers have right version
  * When flattening a log m_SerVer would be uninitialised which mean that
  if it was less than 0x32 we'd start aligning buffers when we shouldn't
  have.
diff: @@ -461,6 +461,8 @@ Serialiser::Serialiser(size_t length, const byte *memoryBuf, bool fileheader)
  m_CurrentBufferSize = (size_t)m_BufferSize;
  m_BufferHead = m_Buffer = AllocAlignedBuffer(m_CurrentBufferSize);
  + m_SerVer = SERIALISE_VERSION;
  +
  memcpy(m_Buffer, memoryBuf, m_CurrentBufferSize);
  return;
  }
  