butterflies: debug printf for meturation

src/modules/butterflies/butterflies_populations.c

@@ -94,11 +94,16 @@ void bf_cell_maturation(struct cats_grid *grid, struct cats_thread_info *ts, cat
                 exit_cats(EXIT_FAILURE);
         }
 
+        printf("row %d col %d: suitability: %f, eggs: %f, reproduction rate %Lf\n", row, col, suit, eggs, reproduction_rate);
+
         if (reproduction_rate == 0) {
                 data->eggs[row][col] = 0;
                 set_population_ignore_cc(grid, row, col, 0);
                 return;
-        };
+        }
+
+
+
 
         cats_dt_rates survival = bf_egg_to_adult_survival_rate(reproduction_rate, eggs, module_conf->female_fraction);
         cats_dt_population adults = poisson(ts->rng, eggs * survival);