qa_openstack: Fix openstackquickstartrc debugging
qa_openstack: Fix openstackquickstartrc debugging

commit 7861e41a0cb1d introduced the wrong variable. The correct
name is "openstackquickstartrc".

gosipyan/automation,vmoravec/automation,aspiers/automation,SUSE-Cloud/automation,gosipyan/automation,vmoravec/automation,gosipyan/automation,SUSE-Cloud/automation,vmoravec/automation,aspiers/automation,aspiers/automation,vmoravec/automation,gosipyan/automation,aspiers/automation,SUSE-Cloud/automation,SUSE-Cloud/automation