autofs: do not leak file handles on exit from access_autofs_mount

Signed-off-by: Stanislav Kinsburskiy <skinsbursky@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

criu/autofs.c

@@ -404,13 +404,13 @@ close_autofs_mnt:
 restore_pid_ns:
 	if (restore_ns(old_pid_ns, &pid_ns_desc)) {
 		pr_err("failed to restore pid namespace\n");
-		return -1;
+		err = -1;
 	}
 	old_pid_ns = -1;
 restore_mnt_ns:
 	if (restore_ns(old_mnt_ns, &mnt_ns_desc)) {
 		pr_err("failed to restore mount namespace\n");
-		return -1;
+		err = -1;
 	}
 close_old_pid_ns:
 	if (old_pid_ns >= 0)