message: fix bug in Random Access in Stringindex
diff: @@ -297,7 +297,7 @@ void StringIndexFile::trySequenceAccess(std::vector<StringIndexFile::AccessReque
  else
  {
  cout << "random access." << endl;
  - for (int i = 0; i < (int)this->request.size(); i++)
  + for (int i = 0; i < (int)requestVector.size(); i++)
  {
  //this->randomAccess(this->request[i].id, (this->request[i].off_str + base), real);
  this->randomAccess(requestVector[i].id, (requestVector[i].off_str + base), real);
  