Issue4905: use INVALID_FILE_ATTRIBUTES where appropriate. (Patch by Ulrich Eckhardt)
diff --git a/Misc/ACKS b/Misc/ACKS
index 8fe199e..5908a67 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -342,6 +342,7 @@
 Walter Dörwald
 Hans Eckardt
 Rodolpho Eckhardt
+Ulrich Eckhardt
 David Edelsohn
 John Edmonds
 Grant Edwards