[Patch] Fix for MI selecting an exited thread

[asmwarrior]

On 2012-4-21 10:23, asmwarrior wrote:
> What does "Give preference for non executing threads"?
> Any way to give preference for executing threads?
Oh, this is no a good question, run which thread is mainly context dependent, e.g. OS scheduler.

Forget to say: I think your patch is OK.