Add John Nagle (of issue #1637).
diff --git a/Misc/ACKS b/Misc/ACKS
index 3b968dd..268aac9 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -460,6 +460,7 @@
 Sape Mullender
 Sjoerd Mullender
 Michael Muller
+John Nagle
 Takahiro Nakayama
 Travers Naran
 Fredrik Nehr