Fix compiler errors on MSVC

firmware/lib/vboot_firmware.c

 /* Copyright (c) 2011 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.
  *
  * High-level firmware API for loading and verifying rewritable firmware.
  * (Firmware portion)
  */
 
 #include "gbb_header.h"
 #include "load_firmware_fw.h"
@@ skipping 36 matching lines @@
   VbPublicKey* root_key;
   VbLoadFirmwareInternal* lfi;
   VbNvContext* vnc = params->nv_context;
 
   uint32_t try_b_count;
   uint32_t tpm_version = 0;
   uint64_t lowest_version = 0xFFFFFFFF;
   uint32_t status;
   uint32_t test_err = 0;
   int good_index = -1;
-  int boot_fw_keyblock_flags = 0;
+  uint64_t boot_fw_keyblock_flags = 0;
   int is_dev;
   int index;
   int i;
 
   int retval = LOAD_FIRMWARE_RECOVERY;
   int recovery = VBNV_RECOVERY_RO_UNSPECIFIED;
 
   /* Clear output params in case we fail */
   params->firmware_index = 0;
 
@@ skipping 217 matching lines @@
        * Otherwise, we'll check all the other headers to see if they
        * contain a newer key. */
       if (combined_version == tpm_version)
         break;
     }
   }
 
   /* At this point, we have a good idea of how we are going to boot. Update the
    * TPM with this state information.
    */
-  status = SetTPMBootModeState(is_dev, 0, boot_fw_keyblock_flags);
+  status = SetTPMBootModeState(is_dev, 0, (int)boot_fw_keyblock_flags);
   if (0 != status) {
     VBDEBUG(("Unable to update the TPM with boot mode information.\n"));
     if (status == TPM_E_MUST_REBOOT)
       retval = LOAD_FIRMWARE_REBOOT;
     else
       recovery = VBNV_RECOVERY_RO_TPM_ERROR;
     goto LoadFirmwareExit;
   }
 
   /* Free internal data */
@@ skipping 62 matching lines @@
   uint32_t status = RollbackS3Resume();
 
   /* If we can't resume, just do a full reboot.  No need to go to recovery
    * mode here, since if the TPM is really broken we'll catch it on the
    * next boot. */
   if (status == TPM_SUCCESS)
     return LOAD_FIRMWARE_SUCCESS;
   else
     return LOAD_FIRMWARE_REBOOT;
 }