Fix typo about nova-xvpvncproxy
Fix typo about nova-xvpvncproxy

s/nova-xvpnvcproxy/nova-xvpvncproxy
s/nova-xvpnvncproxy/nova-xvpvncproxy

Change-Id: I0b893f637c05a1f7900a853bc90c8b9edd0793c3
Closes-Bug: #1456098

potsmaster/openstack-manuals,openstack/openstack-manuals,kairoaraujo/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,saeki-masaki/openstack-manuals,Akasurde/openstack-manuals,openstack/openstack-manuals,kairoaraujo/openstack-manuals,saeki-masaki/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,potsmaster/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,Akasurde/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals