Automatic Copyright Year update after running gdb/copyright.py

This commit brings all the changes made by running gdb/copyright.py
as per GDB's Start of New Year Procedure.

For the avoidance of doubt, all changes in this commits were
performed by the script.

7 files changed, 7 insertions, 7 deletions

diff --git a/gdb/unittests/optional/assignment/1.cc b/gdb/unittests/optional/assignment/1.cc
index 80eaa24..052aff2 100644
--- a/gdb/unittests/optional/assignment/1.cc
+++ b/gdb/unittests/optional/assignment/1.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2021 Free Software Foundation, Inc.
+// Copyright (C) 2013-2022 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/gdb/unittests/optional/assignment/2.cc b/gdb/unittests/optional/assignment/2.cc
index 85c41c5..ec8ec8e 100644
--- a/gdb/unittests/optional/assignment/2.cc
+++ b/gdb/unittests/optional/assignment/2.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2021 Free Software Foundation, Inc.
+// Copyright (C) 2013-2022 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/gdb/unittests/optional/assignment/3.cc b/gdb/unittests/optional/assignment/3.cc
index 03f6018..7fa6f96 100644
--- a/gdb/unittests/optional/assignment/3.cc
+++ b/gdb/unittests/optional/assignment/3.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2021 Free Software Foundation, Inc.
+// Copyright (C) 2013-2022 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/gdb/unittests/optional/assignment/4.cc b/gdb/unittests/optional/assignment/4.cc
index aa04292..dc72805 100644
--- a/gdb/unittests/optional/assignment/4.cc
+++ b/gdb/unittests/optional/assignment/4.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2021 Free Software Foundation, Inc.
+// Copyright (C) 2013-2022 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/gdb/unittests/optional/assignment/5.cc b/gdb/unittests/optional/assignment/5.cc
index 8c27e7b..b2de007 100644
--- a/gdb/unittests/optional/assignment/5.cc
+++ b/gdb/unittests/optional/assignment/5.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2021 Free Software Foundation, Inc.
+// Copyright (C) 2013-2022 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/gdb/unittests/optional/assignment/6.cc b/gdb/unittests/optional/assignment/6.cc
index da01fd5..7e6f540 100644
--- a/gdb/unittests/optional/assignment/6.cc
+++ b/gdb/unittests/optional/assignment/6.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2021 Free Software Foundation, Inc.
+// Copyright (C) 2013-2022 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/gdb/unittests/optional/assignment/7.cc b/gdb/unittests/optional/assignment/7.cc
index d6a3690..648d622 100644
--- a/gdb/unittests/optional/assignment/7.cc
+++ b/gdb/unittests/optional/assignment/7.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2021 Free Software Foundation, Inc.
+// Copyright (C) 2016-2022 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the