Much rearranging of cgptlib. Passes all its (new) unit tests.

src/platform/vboot_reference/utility/cgpt/cgpt_add_modify_delete.c

 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  * Update GPT attribute bits.
  */
 #include <getopt.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include "cgpt.h"
 #include "cgptlib_internal.h"
+#include "cgpt_tofix.h"
 #include "utility.h"
 
 static struct number_range
     range_127_0 = {127, 0};
 
 /* Integers to store parsed argument. */
 static int help, partition, begin_lba, size_lba;
 static char type[128], unique[128], name[128];
 
 /* The structure for getopt_long(). When you add/delete any line, please refine
@@ skipping 245 matching lines @@
                            GPT_MODIFIED_HEADER2 | GPT_MODIFIED_ENTRIES2);
     UpdateCrc(&drive.gpt);
   }
   DriveClose(&drive);
   return CGPT_OK;
 
 error_close:
   DriveClose(&drive);
   return CGPT_FAILED;
 }