Change the way one thread deletes another in the Windows simulator port (the way...

Change the way one thread deletes another in the Windows simulator port (the way one thread deleted itself was already changed in a previous check-in).
Reset the expected block time variable when a task is suspended or deleted in case the value held in the variables was associated with the task just suspended or deleted.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@2130 1d2547de-c912-0410-9cb9-b8ca96c0e9e2