Fixed route settings ref in api v3
Fixed route settings ref in api v3

refs: https://github.com/TryGhost/Ghost/commit/8612f3aaeb1543cc240eed89f203a28b8c52cc94

- this change was missing a git commit --amend 🙈
- note to self: our acceptance tests all use the v3 API...

TryGhost/Ghost,e10/Ghost,ErisDS/Ghost,TryGhost/Ghost,janvt/Ghost,janvt/Ghost,TryGhost/Ghost,ErisDS/Ghost,ErisDS/Ghost,e10/Ghost