Change 1-subnet to public1-subnet in tools/init-runonce

TrivialFix

Change-Id: I363d09a2565af5b7d4c67afec8fc0c5ae70c8540

tools/init-runonce

@@ -52,7 +52,7 @@ openstack network create --external --provider-physical-network physnet1 \
     --provider-network-type flat public1
 openstack subnet create --no-dhcp \
     --allocation-pool start=10.0.2.150,end=10.0.2.199 --network public1 \
-    --subnet-range 10.0.2.0/24 --gateway 10.0.2.1 1-subnet
+    --subnet-range 10.0.2.0/24 --gateway 10.0.2.1 public1-subnet
 
 openstack network create --provider-network-type vxlan demo-net
 openstack subnet create --subnet-range 10.0.0.0/24 --network demo-net \