[project @ 2003-10-05 20:18:36 by panne]

Unbreak the 2nd stage of non-threaded-RTS builds by #ifdefing out a
call to wakeBlockedWorkerThread. This should probably fixed more
cleanly by taking an OO view, i.e. always defining this function, but
doing nothing in the non-threaded case. The final decision on this
issue is left to the Masters of the Threads (tm)...