Photo is distorted but for me it looks not only like outward paws but also like a down pasterns. It happens sometimes in dogs, and this condition can be inborn and connected to elbow dysplasia or happen because of bad diet. It is better to ask your vet, they will tell you if it just your dog looks which are affected or there is something more sinister to it. Don’t ignore it, because bulldogs have significant body weight and if it is something more serious then you will need to do something about it.