1 files changed, 9 insertions, 10 deletions

diff --git a/gl/strcasestr.c b/gl/strcasestr.c
index 53474a45..8eea435c 100644
--- a/gl/strcasestr.c
+++ b/gl/strcasestr.c
@@ -1,19 +1,19 @@
 /* Case-insensitive searching in a string.
-   Copyright (C) 2005-2013 Free Software Foundation, Inc.
+   Copyright (C) 2005-2023 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2005.
 
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3, or (at your option)
-   any later version.
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
 
-   This program is distributed in the hope that it will be useful,
+   This file is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
+   GNU Lesser General Public License for more details.
 
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
@@ -21,7 +21,6 @@
 #include <string.h>
 
 #include <ctype.h>
-#include <stdbool.h>
 #include <strings.h>
 
 #define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch))