openstack-mkcloud: fix nodenumber check
openstack-mkcloud: fix nodenumber check

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