message: Post-increment to pre-increment change
diff: @@ -328,7 +328,7 @@ bool LammpsFormat::read(std::istream& inStream, Core::Molecule& mol)
  // scale_x = 0. if coordinates are cartesian and 1 if fractional (scaled)
  getline(inStream, buffer);
  labels = vector<string>(split(buffer, ' '));
  - for (size_t i = 0; i < labels.size(); i++) {
  + for (size_t i = 0; i < labels.size(); ++i) {
  if (labels[i] == "x" || labels[i] == "xu") {
  x_idx = i;
  scale_x = 0.;
  