message: simplify: Fix minor issue in trace output
  The numbers of evaluated and successfull collapses were swapped.
diff: @@ -948,7 +948,7 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
  printf("removed %d triangles, error %e (goal %e); evaluated %d/%d collapses (done %d, skipped %d, invalid %d)\n",
  int(triangle_collapses), sqrtf(result_error), sqrtf(error_goal_perfect),
  - int(stats[0]), int(edge_collapses), int(collapse_count), int(stats[1]), int(stats[2]));
  + int(stats[0]), int(collapse_count), int(edge_collapses), int(stats[1]), int(stats[2]));
  #endif
  return edge_collapses;
  