Issue #1664: Make nntplib IPv6-capable. Patch by Derek Morr.

(Unfortunately, nntplib doesn't have a test suite)
diff --git a/Misc/ACKS b/Misc/ACKS
index 5cae037..abcad74 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -492,6 +492,7 @@
 The Dragon De Monsyne
 Skip Montanaro
 Paul Moore
+Derek Morr
 James A Morrison
 Sjoerd Mullender
 Sape Mullender