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-rw-r--r--m4/unlocked-io.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/m4/unlocked-io.m4 b/m4/unlocked-io.m4
index ea55a1a2d8..38658e63ac 100644
--- a/m4/unlocked-io.m4
+++ b/m4/unlocked-io.m4
@@ -1,6 +1,6 @@
# unlocked-io.m4 serial 15
-# Copyright (C) 1998-2006, 2009-2019 Free Software Foundation, Inc.
+# Copyright (C) 1998-2006, 2009-2020 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,