Change the openvz driver compute_driver entry to match
all other compute drivers in nova.

Change-Id: Ic9ce4dae930d46a8ce0e64a984880d5603f84f85
Fixes: bug #1133397
diff --git a/stack.sh b/stack.sh
index 7d43278..5874932 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1059,7 +1059,7 @@
 
     elif [ "$VIRT_DRIVER" = 'openvz' ]; then
         echo_summary "Using OpenVZ virtualization driver"
-        iniset $NOVA_CONF DEFAULT compute_driver "openvz.driver.OpenVzDriver"
+        iniset $NOVA_CONF DEFAULT compute_driver "openvz.OpenVzDriver"
         iniset $NOVA_CONF DEFAULT connection_type "openvz"
         LIBVIRT_FIREWALL_DRIVER=${LIBVIRT_FIREWALL_DRIVER:-"nova.virt.libvirt.firewall.IptablesFirewallDriver"}
         iniset $NOVA_CONF DEFAULT firewall_driver "$LIBVIRT_FIREWALL_DRIVER"