PVS-Studio warning V560 for Notepad++

TCHAR GetASCII(WPARAM wParam, LPARAM lParam)
{
  ...
  result=ToAscii(wParam,(lParam >> 16) && 0xff,
                 keys,&dwReturnedValue,0);
  ...
}

This is what should have been written here: &.

This suspicious code was found in Notepad++ project by PVS-Studio static code analyzer.
Warning message is:
V560 A part of conditional expression is always true: 0xff. notepadPlus babygrid.cpp 694

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/