message: Fix compile error when reading tech mappings
diff: @@ -901,9 +901,9 @@ map<string, vector<pair<string, int>>> HoI4World::importResearchBonusMap() const
  {
  map<string, vector<pair<string, int>>> researchBonusMap;
  - Object* fileObj = parser_UTF8::doParseFile("tech_mapping.txt");
  + shared_ptr<Object> fileObj = parser_UTF8::doParseFile("tech_mapping.txt");
  - vector<Object*> mapObj = fileObj->getValue("bonus_map");
  + vector<shared_ptr<Object>> mapObj = fileObj->getValue("bonus_map");
  if (mapObj.size() < 1)
  {
  LOG(LogLevel::Error) << "Could not read bonus map";
  