Issue #22185: Fix an occasional RuntimeError in threading.Condition.wait() caused by mutation of the waiters queue without holding the lock.

Patch by Doug Zongker.
diff --git a/Misc/ACKS b/Misc/ACKS
index 4986dc6..5a388ff 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1500,4 +1500,5 @@
 Kai Zhu
 Tarek Ziadé
 Gennadiy Zlobin
+Doug Zongker
 Peter Åstrand