Fixes typo in nova.conf
Fixes typo in nova.conf

Change-Id: Idba2f4a0f2a0e57b5e0d80d4a31a24808db6a14d
Closes-Bug: #1484357

dardelean/kolla-ansible,toby82/kolla,limamauricio/mykolla,dardelean/kolla-ansible,intel-onp/kolla,chenzhiwei/kolla,stackforge/kolla,jakedahn/kolla,HackToday/kolla,GalenMa/kolla,openstack/kolla,chenzhiwei/kolla,toby82/kolla,dardelean/kolla-ansible,negronjl/kolla,GalenMa/kolla,mrangana/kolla,LoHChina/kolla,mandre/kolla,jakedahn/kolla,limamauricio/mykolla,tonyli71/kolla,HackToday/kolla,fdumpling/kolla,jakedahn/kolla,rahulunair/kolla,negronjl/kolla,fdumpling/kolla,rajalokan/kolla,intel-onp/kolla,LoHChina/kolla,mandre/kolla,mandre/kolla,coolsvap/kolla,stackforge/kolla,coolsvap/kolla,tonyli71/kolla,stackforge/kolla,nihilifer/kolla,rajalokan/kolla,openstack/kolla,HackToday/kolla,toby82/kolla,rajalokan/kolla,mrangana/kolla,coolsvap/kolla,limamauricio/mykolla,negronjl/kolla,chenzhiwei/kolla,fdumpling/kolla,nihilifer/kolla,rahulunair/kolla,LoHChina/kolla