threads/40671: pthread_cancel doesn't remove thread from condition queue

[maxim at FreeBSD.org]

Synopsis: pthread_cancel doesn't remove thread from condition queue

State-Changed-From-To: suspended->closed
State-Changed-By: maxim
State-Changed-When: Fri Jul 29 11:18:10 UTC 2011
State-Changed-Why: 
libc_r has been disconnected from the build more than five years
already.  There is no libc_r support in all modern branches.

Let me know if you think this PR should stay open.

http://www.freebsd.org/cgi/query-pr.cgi?pr=40671