bpo-32585: Add tkinter.ttk.Spinbox. (#5221)

diff --git a/Misc/ACKS b/Misc/ACKS
index c5eadc5..4c8b86a 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1073,6 +1073,7 @@
 Bastien Montagne
 Skip Montanaro
 Peter Moody
+Alan D. Moore
 Paul Moore
 Ross Moore
 Ben Morgan