Make vboot_reference build in MSVC command line environment.

host/include/host_signature.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.
  *
  * Host-side functions for verified boot.
  */
 
 #ifndef VBOOT_REFERENCE_HOST_SIGNATURE_H_
 #define VBOOT_REFERENCE_HOST_SIGNATURE_H_
 
-#include <stdint.h>
-
 #include "cryptolib.h"
 #include "host_key.h"
 #include "utility.h"
 #include "vboot_struct.h"
 
 
 /* Initialize a signature struct. */
 void SignatureInit(VbSignature* sig, uint8_t* sig_data,
                    uint64_t sig_size, uint64_t data_size);
 
@@ skipping 16 matching lines @@
 
 
 /* Calculates a signature for the data using the specified key.
  * Caller owns the returned pointer, and must free it with Free().
  *
  * Returns NULL if error. */
 VbSignature* CalculateSignature(const uint8_t* data, uint64_t size,
                                 const VbPrivateKey* key);
 
 #endif  /* VBOOT_REFERENCE_HOST_SIGNATURE_H_ */