PVS-Studio warning V519 for Virtualdub

bool VDCaptureDriverScreen::Init(VDGUIHandle hParent) {
  ....
  mbAudioHardwarePresent = false;
  mbAudioHardwarePresent = true;
  ....
}

This suspicious code was found in Virtualdub project by PVS-Studio static code analyzer.
Warning message is:
V519 The 'mbAudioHardwarePresent' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 274, 275. VDCapture cap_screen.cpp 275

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/