Issue #9696: Fix exception incorrectly raised by xdrlib.Packer.pack_int when trying to pack a negative (in-range) integer.
diff --git a/Misc/ACKS b/Misc/ACKS
index 66ace9a..c2bcde2 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -306,6 +306,7 @@
 Duncan Grisby
 Fabian Groffen
 Dag Gruneau
+Filip GruszczyƄski
 Michael Guravage
 Lars Gustäbel
 Thomas Güttler