PVS-Studio warning V560 for Miranda IM

void CIcqProto::handleUserOffline(BYTE *buf, WORD wLen)
{
  ...
  else if (wTLVType = 0x29 && wTLVLen == sizeof(DWORD))
  ...
}

This is what should have been written here: wTLVType == 0x29

This suspicious code was found in Miranda IM project by PVS-Studio static code analyzer.
Warning message is:
V560 A part of conditional expression is always true: 0x29. icqoscar8 fam_03buddy.cpp 632

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/