add change line to make output clear

[jichenjc]

make output clear

# ./clusteradm upgrade clustermanager
clustermanager installed. starting upgrade
upgraded completed successfully

Signed-off-by: jichenjc jichenjc@cn.ibm.com

[qiujian16]

/approve
/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jichenjc, qiujian16

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[jichenjc]

/retest

[openshift-ci]

@jichenjc: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

In response to this:

/retest

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[qiujian16]

/lgtm