Fix openssl portability issue

base/crypto/signature_creator_openssl.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/crypto/signature_creator.h"
 
 #include <openssl/evp.h>
 
 #include "base/logging.h"
 #include "base/openssl_util.h"
 #include "base/scoped_ptr.h"
+#include "base/stl_util-inl.h"
 
 namespace base {
 
 // static
 SignatureCreator* SignatureCreator::Create(RSAPrivateKey* key) {
   OpenSSLErrStackTracer err_tracer(FROM_HERE);
   scoped_ptr<SignatureCreator> result(new SignatureCreator);
   result->key_ = key;
   if (!EVP_SignInit_ex(result->sign_context_, EVP_sha1(), NULL))
     return NULL;
@@ skipping 12 matching lines @@
   OpenSSLErrStackTracer err_tracer(FROM_HERE);
   return EVP_SignUpdate(sign_context_, data_part, data_part_len) == 1;
 }
 
 bool SignatureCreator::Final(std::vector<uint8>* signature) {
   OpenSSLErrStackTracer err_tracer(FROM_HERE);
   EVP_PKEY* key = key_->key();
   signature->resize(EVP_PKEY_size(key));
 
   unsigned int len = 0;
-  int rv = EVP_SignFinal(sign_context_, signature->data(), &len, key);
+  int rv = EVP_SignFinal(sign_context_, vector_as_array(signature), &len, key);
   if (!rv) {
     signature->clear();
     return false;
   }
   signature->resize(len);
   return true;
 }
 
 }  // namespace base