PVS-Studio warning V530 for ReactOS

#define strcmpW(s1,s2) wcscmp((s1),(s2))

static HRESULT WINAPI IEnumDMO_fnNext(....)
{
  ....
  if (Names[count])
    strcmpW(Names[count], szValue);
  ....
}

This suspicious code was found in ReactOS project by PVS-Studio static code analyzer.
Warning message is:
V530 The return value of function 'wcscmp' is required to be utilized. dmoreg.c 621

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/