fix MSVC build

Maximilien Siavelis

2018-01-06 13d183dd22c2929db8230a20151020b636273e8d

 test/functional/volid_test.cpp

@@ -27,7 +27,9 @@
         strategy);
   BOOST_ASSERT(generate_ok == FUNCTION_RETURN::FUNC_RET_OK);
   cout << "Identifier:" << identifier_out << endl;
   vector<string> extraArgs = { "-s", identifier_out };
   vector<string> extraArgs;
    extraArgs.push_back("-s");
    extraArgs.push_back(identifier_out);
   generate_license(licLocation, extraArgs);

   LicenseInfo license;
@@ -109,7 +111,7 @@
               sizeof(PcSignature));
         EVENT_TYPE val_result = validate_pc_signature(pcsig);
         string message = string("pc signature verification strategy:")
               + to_string(i) + " generated: [" + generated_identifier
               + to_string(static_cast<long long>(i)) + " generated: [" + generated_identifier
               + "] reference: [" + reference_signatures[i] + "]";
         BOOST_TEST_CHECKPOINT("Verifying signature: ");
         BOOST_CHECK_EQUAL(val_result, LICENSE_OK);