Fix openmanage.py for OMSA 7.4.  See https://github.com/rcbops/rpc-maas/issues/111

https://github.com/rcbops/rpc-maas/issues/111
Does this not work without an added ' '? The pattern looks explicitly, when interpolated looks like:

```
(?:Status)\s+:\s+(\w+)
```

Which means that Status must be followed by one or more spaces. Adding a literal space here seems unnecessary.