message: Prevent a crash when receiving a corrupt rdc file
  It is possible to read a large value into compSize, and consequently read
  a large number of bytes into m_CompressBuffer, which can only hold 64k,
  which would lead to a crash.
diff: @@ -256,10 +256,20 @@ bool LZ4Decompressor::FillPage0()
  bool success = true;
  success &= m_Read->Read(compSize);
  + if(!success || compSize < 0 || compSize > (int)LZ4_COMPRESSBOUND(lz4BlockSize))
  + {
  + RDCERR("Error reading size: %i", compSize);
  + FreeAlignedBuffer(m_Page[0]);
  + FreeAlignedBuffer(m_Page[1]);
  + FreeAlignedBuffer(m_CompressBuffer);
  + m_Page[0] = m_Page[1] = m_CompressBuffer = NULL;
  + return false;
  + }
  success &= m_Read->Read(m_CompressBuffer, compSize);
  if(!success)
  {
  + RDCERR("Error reading block: %i", compSize);
  FreeAlignedBuffer(m_Page[0]);
  FreeAlignedBuffer(m_Page[1]);
  FreeAlignedBuffer(m_CompressBuffer);
  