PVS-Studio warning V560 for ffdshow

#define ROTFLAGS_REGISTRATIONKEEPSALIVE 0x1
#define ROTFLAGS_ALLOWANYCLIENT 0x2

virtual HRESULT STDMETHODCALLTYPE Register(DWORD grfFlags, ....);

LRESULT CALLBACK Tremote::remoteWndProc(
  HWND hwnd, UINT msg, WPARAM wprm, LPARAM lprm)
{
  ....
  pROT->Register(
    ROTFLAGS_REGISTRATIONKEEPSALIVE && ROTFLAGS_ALLOWANYCLIENT,
        (IUnknown*)pGraph, pMoniker, &pdwROT);
  ....
}

This is what should have been written here: ROTFLAGS_REGISTRATIONKEEPSALIVE & ROTFLAGS_ALLOWANYCLIENT

This suspicious code was found in ffdshow project by PVS-Studio static code analyzer.
Warning message is:
V560 A part of conditional expression is always true: 0x2. ffdshowremoteapi.cpp 314

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/