cloudflared service did not function after update to 2019.7.0 on macOS

```
time="2019-07-11T20:34:08+01:00" level=info msg="cloudflared has been updated to version 2019.7.0"
time="2019-07-11T20:34:08+01:00" level=info msg="PID of the new process is 33687"
time="2019-07-11T20:34:08+01:00" level=info msg="Metrics server stopped"
time="2019-07-11T20:34:08+01:00" level=info msg=Quitting...
```
*manual restart an hour later*

`time="2019-07-11T22:03:50+01:00" level=info msg="Version 2019.7.0"`

DNS stopped working after the update. Had to manually restart with

```
sudo cloudflared service uninstall
sudo cloudflared service install
```

Using this gist for DoH: https://gist.github.com/soderlind/6a440cd3c8e017444097cf2c89cc301d