am c1c38dd0: system: sched_policy: Don\'t return an error when the thread we\'re trying to move exits on us

Merge commit 'c1c38dd01c43079ed24b9030bc8a20c649bacc3f' into eclair-mr2

* commit 'c1c38dd01c43079ed24b9030bc8a20c649bacc3f':
  system: sched_policy: Don't return an error when the thread we're trying to move exits on us