More cleanup of MSVC errors

firmware/lib/cgptlib/include/gpt.h

 /* 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.
  *
  * Defines EFI related structure. See more details in EFI 2.3 spec.
  *
  * To download EFI standard, please visit UEFI homepage:
  *    http://www.uefi.org/
  */
 #ifndef VBOOT_REFERENCE_CGPTLIB_GPT_H_
@@ skipping 65 matching lines @@
   uint32_t reserved_zero;
   uint64_t my_lba;
   uint64_t alternate_lba;
   uint64_t first_usable_lba;
   uint64_t last_usable_lba;
   Guid disk_uuid;
   uint64_t entries_lba;
   uint32_t number_of_entries;
   uint32_t size_of_entry;
   uint32_t entries_crc32;
-  uint8_t reserved_padding[];           /* entire sector reserved for header */
+  /* Remainder of sector is reserved and should be 0 */
 } __attribute__((packed)) GptHeader;
 
 /* GPT partition entry defines the starting and ending LBAs of a partition.
  * It also contains the unique GUID, type, and attribute bits.
  *
  * You may find more details in chapter 5 of EFI standard.
  */
 typedef struct {
   Guid type;
   Guid unique;
   uint64_t starting_lba;
   uint64_t ending_lba;
   union {
     struct {
      uint64_t         : 48;
      uint16_t gpt_att : 16;
     } __attribute__((packed)) fields;
     uint64_t whole;
   } attrs;
   uint16_t name[36];                    /* UTF-16 encoded partition name */
-  uint8_t reserved[];                   /* nothing, really */
+  /* Remainder of entry is reserved and should be 0 */
 } __attribute__((packed)) GptEntry;
 
 #endif  /* VBOOT_REFERENCE_CGPTLIB_GPT_H_ */