Patch 473512: add GNU style scanning as gnu_getopt.
diff --git a/Misc/ACKS b/Misc/ACKS
index 86af693..a19f796 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -20,6 +20,7 @@
 Ross Andrus
 Jason Asbahr
 David Ascher
+Peter Åstrand
 John Aycock
 Donovan Baarda
 Alfonso Baciero