bpo-31920: Fixed handling directories as arguments in the ``pygettext`` script. (GH-6259)

Based on patch by Oleg Krasnikov.
diff --git a/Misc/ACKS b/Misc/ACKS
index 8b2931f..13b88b5 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -853,6 +853,7 @@
 Stefan Krah
 Rolf Krahl
 Bob Kras
+Oleg Krasnikov
 Sebastian Kreft
 Holger Krekel
 Michael Kremer