update crc16 License

crc/crc16.c

@@ -1,38 +1,10 @@
 #include "crc16.h"
 
 /* 
- * Copyright 2001-2010 Georges Menie (www.menie.org)
- * Copyright 2010-2012 Salvatore Sanfilippo (adapted to Redis coding style)
- * All rights reserved.
+ * The crc32 is licensed under the Apache License, Version 2.0, and a copy of the license is included in this file.
+ *  CRC16 implementation according to CCITT standards.
  *
- * 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 University of California, Berkeley 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 REGENTS 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 REGENTS AND 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.
- */
-
-/* CRC16 implementation according to CCITT standards.
- *
- * Note by @antirez: this is actually the XMODEM CRC 16 algorithm, using the
- * following parameters:
+ * The XMODEM CRC 16 algorithm, using the following parameters:
  *
  * Name                       : "XMODEM", also known as "ZMODEM", "CRC-16/ACORN"
  * Width                      : 16 bit