Add Donovan Baarda for fixing a tortuous zlibmodule bug (but aren't they all?)
diff --git a/Misc/ACKS b/Misc/ACKS
index 509f9af..b95411f 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -18,6 +18,7 @@
 Ross Andrus
 Jason Asbahr
 David Ascher
+Donovan Baarda
 Stig Bakken
 Greg Ball
 Des Barry