nand-part: added/updated open source copyright headers

Signed-off-by: Patrick Wood <patrickhwood@gmail.com>

nand-common.h

+/*
+ * (C) Copyright 2013
+ * Patrick H Wood, All rights reserved.
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
 #include "types.h"
 
 extern int nand_part_a10 (int argc, char **argv, const char *cmd, int fd, int force);

nand-part-main.c

 /*
- * mbr.c
- * (C) Copyright 2012
+ * (C) Copyright 2013
  * Patrick H Wood, All rights reserved.
  *
  * This program is free software; you can redistribute it and/or