Update haproxy dockerfile for formatting
Update haproxy dockerfile for formatting

Change-Id: I49231ddf2d8e6136e8a627cdf5674301018f984a
Partial-Bug:#1569417

tonyli71/kolla,dardelean/kolla-ansible,rahulunair/kolla,intel-onp/kolla,mrangana/kolla,GalenMa/kolla,stackforge/kolla,rahulunair/kolla,GalenMa/kolla,nihilifer/kolla,nihilifer/kolla,tonyli71/kolla,openstack/kolla,coolsvap/kolla,mandre/kolla,dardelean/kolla-ansible,mandre/kolla,stackforge/kolla,stackforge/kolla,dardelean/kolla-ansible,coolsvap/kolla,mandre/kolla,mrangana/kolla,coolsvap/kolla,intel-onp/kolla,openstack/kolla