#25320: Handle sockets in directories unittest discovery is scanning.

Patch from Victor van den Elzen.
diff --git a/Misc/ACKS b/Misc/ACKS
index a478d4f..85220d1 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -393,6 +393,7 @@
 Daniel Ellis
 Phil Elson
 David Ely
+Victor van den Elzen
 Jeff Epler
 Tom Epperly
 Gökcen Eraslan