PVS-Studio warning V587 for DDKSamples

NTSTATUS
FatSetDispositionInfo (....)
{
  ....
  TmpChar = LocalBuffer[0];
  LocalBuffer[0] = TmpChar;
  ....
}

This suspicious code was found in DDKSamples project by PVS-Studio static code analyzer.
Warning message is:
V587 An odd sequence of assignments of this kind: A = B; B = A;. Check lines: 2572, 2573. fileinfo.c 2573

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/