Fix race in cygthread when simplestub is used

[Christopher Faylor]

On Fri, Jul 29, 2005 at 01:44:21PM +0300, Arto Huusko wrote:
>2005-07-29  Arto Huusko  <arto.huusko@wmdata.fi>
>
>	* cygthread.cc (cygthread::simplestub): fix race.

Applied.  Fixed minor formatting problem in code and ChangeLog.

Thanks.

cgf