Use correct NewIndivEvent at run time in ExpManager_7

src/libaevol/7/ExpManager_7.cpp

@@ -422,6 +422,22 @@ void ExpManager_7::do_mutation(int indiv_id) {
                                                                   exp_m_->exp_s()->mut_params()->max_tries(),
                                                                   exp_m_->exp_s()->mut_params()->min_align_score());
 
+    if (exp_m_->record_tree()) {
+    int x = indiv_id / exp_m_->world()->height();
+    int y = indiv_id % exp_m_->world()->height();
+
+    NewIndivEvent *eindiv = new NewIndivEvent(
+          current_individuals[indiv_id],
+          previous_individuals[next_generation_reproducer_[indiv_id]],
+          previous_individuals[next_generation_reproducer_2[indiv_id]],
+          x, y, indiv_id,
+          next_generation_reproducer_[indiv_id],
+          next_generation_reproducer_2[indiv_id]);
+
+    exp_m_->tree()->update_new_indiv(eindiv);
+    delete eindiv;
+  }
+
   if (exp_manager->record_tree()) {
     Recombination* recomb = new Recombination(current_individuals[indiv_id]->recomb_posA_,
                                             current_individuals[indiv_id]->recomb_posB_,