* UserSettings.cc (UserSettings::settingFileForLoad): Fix local load

	* UserSettings.cc (UserSettings::settingFileForLoad): Fix local load
	path strings.
	(UserSettings::settingFileForSave): Never store in cwd.
	* autoload.c (ntdll): Autoload ntdll.dll functions here.
	* desktop.cc (make_cygwin_bat): Use GetFileAttributesW rather than
	_waccess.  Use nt_wfopen instead of _wfopen.
	(save_icon): Ditto.
	* filemanip.cc (get_file_size): Call io_stream::open with empty mode
	string to avoid opening file twice.
	(GetFileAttributesW): New function to replace Win32 function with
	equivalent function opening files with backup intent.
	(SetFileAttributesW): Ditto.
	(MoveFileW): Ditto.
	(DeleteFileW): Ditto.
	(RemoveDirectoryW): Ditto.
	(nt_wfopen): New function to replace _wfopen with equivalent function
	opening files with backup intent.
	* filemanip.h (nt_wfopen): Declare.
	* io_stream_cygfile.cc (io_stream_cygfile::io_stream_cygfile): Initalize
	lasterr to 0.  Allow empty mode and don't open file, if so.  Call
	nt_wfopen rather than _wfopen.
	(io_stream_cygfile::exists): Use GetFileAttributesW rather than
	_waccess.
	(io_stream_cygfile::get_size): Use CreateFileW/GetFileSize to get
	file size on NT.
	* io_stream_file.cc (io_stream_file::io_stream_file): Initalize lasterr
	to 0.  Allow empty mode and don't open file, if so.  Call nt_wfopen
	rather than _wfopen.
	(io_stream_file::exists): Use GetFileAttributesW rather than _waccess.
	(io_stream_file::remove): Don't try to remove non-existant file.
	(io_stream_file::get_size): Use CreateFileW/GetFileSize to get
	file size on NT.  Add comment to keep track of 2GB border.
	* mkdir.cc: Remove function pointers for ntdll functions.
	(init_ntfuncs): Remove function.
	(mkdir_p): Drop call to init_ntfuncs.  Call ntdll functions directly
	rather than over local function pointers.
	* ntdll.h: New file.
	* postinstall.cc (do_postinstall_reflector): Switch to admins group
	as primary group after postinstall scripts have been written.
	Explain why.
	(do_postinstall): Add comment.
	* res.rc: Bump copyright date.
	* win32.h (class TokenGroupCollection): Remove.
	* win32.cc (TokenGroupCollection::populate): Remove.
	(TokenGroupCollection::find): Remove.
	(NTSecurity::setDefaultSecurity): Drop reading token groups.  Just
	try to switch to admins group as primary group.