Relicence of JackControlAPI.h and control.h after discussion with Nedko Arnaudov.

common/JackControlAPI.h

@@ -1,23 +1,7 @@
-/*
-  JACK control API
-
-  Copyright (C) 2008 Nedko Arnaudov
-  Copyright (C) 2008 Grame
-
-  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; version 2 of the License.
-
-  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, write to the Free Software
-  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
+/* JACK server control API */
+/* SPDX-FileCopyrightText: Copyright © 2008-2023 Nedko Arnaudov */
+/* SPDX-FileCopyrightText: Copyright © 2008-2023 Grame */
+/* SPDX-License-Identifier: ( GPL-2.0-or-later OR LGPL-2.1-or-later OR MIT OR AFL-2.1 ) */
 
 #ifndef __JackControlAPI__
 #define __JackControlAPI__

common/jack/control.h

@@ -1,24 +1,8 @@
 /* -*- Mode: C ; c-basic-offset: 4 -*- */
-/*
-  JACK control API
-
-  Copyright (C) 2008 Nedko Arnaudov
-  Copyright (C) 2008 GRAME
-
-  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; version 2 of the License.
-
-  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, write to the Free Software
-  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
+/* JACK server control API */
+/* SPDX-FileCopyrightText:  2008-2023 Nedko Arnaudov */
+/* SPDX-FileCopyrightText:  2008-2023 Grame */
+/* SPDX-License-Identifier: ( GPL-2.0-or-later OR LGPL-2.1-or-later OR MIT OR AFL-2.1 ) */
 /**
  * @file   jack/control.h
  * @ingroup publicheader