Do not update the initialqacontact un-necessarily
    
    Basically without this we kept on updating the initialqacontact
    field even when it had already been reset.
    
    While at it fix the comparison between the current and the old
    and new value for the initialqacontact field.
    
    Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr>