Function open_file_wide

Tools/EditorFramework/pugixml.cpp:4042–4045

#if defined(PUGI__MSVC_CRT_VERSION) || defined(__BORLANDC__) || (defined(__MINGW32__) && !defined(__STRICT_ANSI__))
PUGI__FN FILE* open_file_wide(const wchar_t* path, const wchar_t* mode)
{
	return _wfopen(path, mode);
}
#else
PUGI__FN char* convert_path_heap(const wchar_t* str)
{