PVS-Studio warning V540 for WinSCP

bool __fastcall RecursiveDeleteFile(....)
{
  SHFILEOPSTRUCT Data;
  memset(&Data, 0, sizeof(Data));
  ....
  Data.pTo = L"";
  ....
}

This suspicious code was found in WinSCP project by PVS-Studio static code analyzer.
Warning message is:
V540 Member 'pTo' should point to string terminated by two 0 characters. common.cpp 1659

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