PVS-Studio warning V614 for Chromium

HRESULT IEEventSink::Attach(IWebBrowser2* browser) {
  DCHECK(browser);
  HRESULT result;
  if (browser) {
    web_browser2_ = browser;
    FindIEProcessId();
    result = DispEventAdvise(web_browser2_,
                             &DIID_DWebBrowserEvents2);
  }
  return result;
}

This suspicious code was found in Chromium project by PVS-Studio static code analyzer.
Warning message is:
V614 Potentially uninitialized variable 'result' used. ie_event_sink.cc 240

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/