fix: Use correct container id variable for killing containers
fix: Use correct container id variable for killing containers

The first pass at stop/kill would fail as the variable was incorrect.

jimjag/dokku,dokku/dokku,alexquick/dokku,progrium/dokku,alexquick/dokku,claytonbrown/dokku,dokku/dokku,progrium/dokku,claytonbrown/dokku,alexquick/dokku,alexquick/dokku,claytonbrown/dokku,claytonbrown/dokku,claytonbrown/dokku,progrium/dokku,progrium/dokku,jimjag/dokku,progrium/dokku,dokku/dokku,alexquick/dokku,alexquick/dokku,progrium/dokku,jimjag/dokku,jimjag/dokku,dokku/dokku,jimjag/dokku,progrium/dokku,dokku/dokku,jimjag/dokku,claytonbrown/dokku,dokku/dokku,jimjag/dokku,alexquick/dokku,claytonbrown/dokku,dokku/dokku,progrium/dokku,alexquick/dokku,claytonbrown/dokku,dokku/dokku,jimjag/dokku