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-rw-r--r--m4/open.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/m4/open.m4 b/m4/open.m4
index 552eedf8c53..c63438650df 100644
--- a/m4/open.m4
+++ b/m4/open.m4
@@ -1,5 +1,5 @@
# open.m4 serial 15
-dnl Copyright (C) 2007-2020 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2021 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.