PVS-Studio warning V519 for ReactOS

NTSTATUS NTAPI
CreateCdRomDeviceObject(....)
{
  ....
  cddata->XAFlags &= ~XA_USE_6_BYTE;
  cddata->XAFlags = XA_USE_READ_CD | XA_USE_10_BYTE;
  ....
}

This suspicious code was found in ReactOS project by PVS-Studio static code analyzer.
Warning message is:
V519 The 'cddata->XAFlags' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 1290, 1291. cdrom.c 1291

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/