Replace license headers with SPDX-License-Identifiers

unl0kr/terminal.c

@@ -1,23 +1,8 @@
 /**
  * Copyright 2021 Johannes Marbach
- *
- * This file is part of buffybox, hereafter referred to as the program.
- *
- * 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 of the License, or
- * (at your option) any later version.
- *
- * This program 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ * SPDX-License-Identifier: GPL-3.0-or-later
  */
 
-
 #include "terminal.h"
 
 #include "log.h"