[node-patches] Change in ovirt-node[master]: system: Fix which() always return None issue

[Gerrit Code Review]

oVirt Jenkins CI Server has posted comments on this change.

Change subject: system: Fix which() always return None issue
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Patch Set 2:

Build Successful 

http://jenkins.ovirt.org/job/node-devel/34/ : SUCCESS

http://jenkins.ovirt.org/job/ovirt-node-devel-check/866/ : make check-local passed

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Gerrit-MessageType: comment
Gerrit-Change-Id: Ic054a5e48214e9f39994c962863030681c4b3622
Gerrit-PatchSet: 2
Gerrit-Project: ovirt-node
Gerrit-Branch: master
Gerrit-Owner: hadong <hadong0720 at gmail.com>
Gerrit-Reviewer: oVirt Jenkins CI Server