Add Daniel Stutzbach, for #512981.
diff --git a/Misc/ACKS b/Misc/ACKS
index ee81ab8..6f17773 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -503,6 +503,7 @@
 Casper Stoel
 Peter Stoehr
 Ken Stox
+Daniel Stutzbach
 William Tanksley
 Christian Tanzer
 Amy Taylor