poppy smart , 23 , accused builders of sexual harassment for wolf-whistling .
ian merrett , 28 , says she was ` lucky ' and should take it as a compliment .
he said : ` if she walks past again and is lucky she 'll get wolf-whistled again '
he accused her of damaging the reputation of men in the building trade .
miss smart went to police who sent officers to warn the builders involved .