check for errno value `EINTR` after `fgetpwent_r()` failure missing

[eriksjolund]

There is no check if errno has the value EINTR after a fgetpwent_r() faillure

crun/src/libcrun/utils.c

Lines 1462 to 1482 in 0d7ed80

	for (;;)
	{
	struct passwd *ret_pw = NULL;
	ret = fgetpwent_r (stream, &pwd, buf, buf_size, &ret_pw);
	if (UNLIKELY (ret != 0))
	{
	if (errno != ERANGE)
	goto error;
	buf_size *= 2;
	buf = xrealloc (buf, buf_size);
	continue;
	}
	if (ret_pw && ret_pw->pw_uid == id)
	{
	setenv ("HOME", ret_pw->pw_dir, 1);
	return 0;
	}
	}