cgroup-utils: `errno` used after success

[eriksjolund]

errno is used after success

here

crun/src/libcrun/cgroup-utils.c

Lines 514 to 518 in d0c1224

	ret = rmdir_all (cgroup_path);
	if (ret < 0)
	{
	if (retry_count >= max_attempts)
	return crun_make_error (err, errno, "cannot delete path `%s`", cgroup_path);

and here

crun/src/libcrun/cgroup-utils.c

Lines 564 to 568 in d0c1224

	ret = rmdir_all (cgroup_path);
	if (ret < 0)
	{
	if (retry_count >= max_attempts)
	return crun_make_error (err, errno, "cannot destroy subsystem `%s` at path `%s`", subsystem, cgroup_path);

The successful call could be close() here

crun/src/libcrun/cgroup-utils.c

Lines 350 to 351 in d0c1224

	TEMP_FAILURE_RETRY (close (dfd));
	return -1;

[giuseppe]

addressed in #2006