catkin: 0.6.9-0 in 'indigo/distribution.yaml' [bloom]

Increasing version of package(s) in repository `catkin` to `0.6.9-0`:

- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.10`
- previous version for package: `0.6.8-0`

## catkin

```
* fix regression from 0.6.8 (#676 <https://github.com/ros/catkin/issues/676>)
```