Issue #12678: Fix distutils sdist test on Windows.

Patch by Jeremy Kloth.
diff --git a/Misc/ACKS b/Misc/ACKS
index d345e54..6f7d9d1 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -484,6 +484,7 @@
 Bastian Kleineidam
 Bob Kline
 Matthias Klose
+Jeremy Kloth
 Kim Knapp
 Lenny Kneler
 Pat Knight