Skip test if zlib not present. Closes #11498. Patch by Natalia B. Bidart.
diff --git a/Misc/ACKS b/Misc/ACKS
index 1abfa26..dfb6123 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -80,6 +80,7 @@
 Steven Bethard
 Stephen Bevan
 Ron Bickers
+Natalia B. Bidart
 Adrian von Bidder
 David Binger
 Dominic Binks