update pacman branch reference

[dlbewley]

fixes #17

[dlbewley]

/lgtm
/assign @chenz4027

[openshift-ci]

@dlbewley: you cannot LGTM your own PR.

In response to this:

/lgtm
/assign @chenz4027

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: dlbewley
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