message: correct var name
diff: @@ -64,8 +64,8 @@ static HeaderMap create_s3_get_header(std::string url, std::string query, std::s
  }
  auto canonical_request = method + "\n" + uri_encode(url) + "\n" + query + "\nhost:" + host +
  "\nx-amz-content-sha256:" + empty_payload_hash + "\nx-amz-date:" + datetime_now;
  - if (access_token.length() > 0) {
  - canonical_request += "\nx-amz-security-token:" + access_token;
  + if (session_token.length() > 0) {
  + canonical_request += "\nx-amz-security-token:" + session_token;
  }
  canonical_request += "\n\n" + signed_headers + "\n" + empty_payload_hash;
  sha256(canonical_request.c_str(), canonical_request.length(), canonical_request_hash);
  