Updated openstack/openstack
Project: openstack/heat  74f4f8bd4b17df1e77045768f652eeb7ba5b5f98
null
Add subnets as a dependency for router

Because router's external gateway depends on at least one external subnet,
so add subnets as an implicit dependency for the router.

Change-Id: Ib34636b440b3eee3993cd1030dab23312824510d
Closes-Bug:1279645