replace BSD-3-Clause license text in C/H files with SPDX version

Simple search and replace, keeping the copyright name in the text.

corec/corec/confhelper.h

@@ -2,30 +2,8 @@
   $Id$
 
   Copyright (c) 2010, CoreCodec, Inc.
-  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-  * Redistributions of source code must retain the above copyright notice,
-    this list of conditions and the following disclaimer.
-  * Redistributions in binary form must reproduce the above copyright notice,
-    this list of conditions and the following disclaimer in the documentation
-    and/or other materials provided with the distribution.
-  * Neither the name of the CoreCodec, Inc. nor the names of its contributors
-    may be used to endorse or promote products derived from this software
-    without specific prior written permission.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-  THE POSSIBILITY OF SUCH DAMAGE.
+  Copyright (C) CoreCodec, Inc.
+  SPDX-License-Identifier: BSD-3-Clause
 */
 
 #ifndef __CONFIG_HELPER_H

corec/tools/branch/branch.c

@@ -1,29 +1,7 @@
 /*
   Copyright (c) 2006-2010, CoreCodec, Inc.
-  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-  * Redistributions of source code must retain the above copyright notice,
-    this list of conditions and the following disclaimer.
-  * Redistributions in binary form must reproduce the above copyright notice,
-    this list of conditions and the following disclaimer in the documentation
-    and/or other materials provided with the distribution.
-  * Neither the name of the CoreCodec, Inc. nor the names of its contributors
-    may be used to endorse or promote products derived from this software
-    without specific prior written permission.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-  THE POSSIBILITY OF SUCH DAMAGE.
+  Copyright (C) CoreCodec, Inc.
+  SPDX-License-Identifier: BSD-3-Clause
 */
 
 #include <stdio.h>