commands/keyctl01: Add new regression test

Fixed by:
commit 38327424b40bcebe2de92d07312c89360ac9229a
Author: Dan Carpenter <dan.carpenter@oracle.com>
Date:   Thu Jun 16 15:48:57 2016 +0100

    KEYS: potential uninitialized variable

Signed-off-by: Guangwen Feng <fenggw-fnst@cn.fujitsu.com>
3 files changed