Close #19092: ExitStack now reraises exceptions from __exit__

Report and patch by Hrvoje Nikšić
diff --git a/Misc/ACKS b/Misc/ACKS
index 63c126c..400f528 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -882,7 +882,7 @@
 Jonathan Niehof
 Gustavo Niemeyer
 Oscar Nierstrasz
-Hrvoje Niksic
+Hrvoje Nikšić
 Gregory Nofi
 Jesse Noller
 Bill Noon