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 17091eb..7a0982b 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -303,6 +303,7 @@
 Duncan Grisby
 Fabian Groffen
 Dag Gruneau
+Filip GruszczyƄski
 Michael Guravage
 Lars Gustäbel
 Thomas Güttler