pass by reference as performance optimization

Jan Willamowius

2019-04-22 10d16f7b6d963c83fa6a0b32a757c16c70623689

 src/tools/license-generator/license-generator.cpp

@@ -71,7 +71,7 @@
}

vector<FullLicenseInfo> LicenseGenerator::parseLicenseInfo(
      po::variables_map vm) {
      const po::variables_map& vm) {
   string begin_date = FullLicenseInfo::UNUSED_TIME;
   string end_date = FullLicenseInfo::UNUSED_TIME;
   if (vm.count("expire_date")) {