c++: Add correct copyright dates to output of gen-cxxapi-file.py

This ensures the generated output says something like 2022-2024 rather
than just 2024.

gcc/cp/ChangeLog:

	* gen-cxxapi-file.py: Fix copyright dates in generated output.

diff --git a/gcc/cp/gen-cxxapi-file.py b/gcc/cp/gen-cxxapi-file.py
index 31ed5b16ce4545314ea72fa664814ba041220990..6d08f46069bb5fdfab48c4389ef66dc2796ead66 100644 (file)
--- a/gcc/cp/gen-cxxapi-file.py
+++ b/gcc/cp/gen-cxxapi-file.py
@@ -95,7 +95,7 @@ def hints(script, content):
 %struct-type
 %{{
 /* This file is auto-generated by {:s}.  */
-/* Copyright (C) {:s} Free Software Foundation, Inc.
+/* Copyright (C) 2022-{:s} Free Software Foundation, Inc.
 
 This file is part of GCC.