PVS-Studio warning V547 for DeSmuME

class CHEATSEXPORT
{
  ...
  u8 *gametitle;
  ...
}

INT_PTR CALLBACK CheatsExportProc(HWND dialog, UINT msg,
                                  WPARAM wparam, LPARAM lparam)
{
  ...
  if ((char*)cheatsExport->gametitle != "")
  ...
}

This suspicious code was found in DeSmuME project by PVS-Studio static code analyzer.
Warning message is:
V547 Expression '(char *) cheatsExport->gametitle != ""' is always true. To compare strings you should use strcmp() function. DeSmuME_VS2005 cheatswin.cpp 1382

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