PVS-Studio warning V528 for Notepad++

TCHAR headerM[headerSize] = TEXT("");
...
size_t Printer::doPrint(bool justDoIt)
{
  ...
  if (headerM != '\0')
  ...
}

This suspicious code was found in Notepad++ project by PVS-Studio static code analyzer.
Warning message is:
V528 It is odd that pointer to 'char' type is compared with the '\0' value. Probably meant: *headerM != '\0'.  notepadPlus printer.cpp 378

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/