iOS: fix definition id overflow bug
iOS: fix definition id overflow bug

athoo/paco,hlecuanda/paco,bowlofstew/paco,bowlofstew/paco,google/paco,bowlofstew/paco,hlecuanda/paco,bowlofstew/paco,ominux/paco,kehollin/paco,kehollin/paco,ominux/paco,hlecuanda/paco,bowlofstew/paco,hlecuanda/paco,google/paco,h/paco,hlecuanda/paco,mhadjimichael/paco,mtxs007/paco,jaythaceo/paco,google/paco,kehollin/paco,athoo/paco,h/paco,h/paco,athoo/paco,bowlofstew/paco,google/paco,mhadjimichael/paco,google/paco,jaythaceo/paco,kehollin/paco,mtxs007/paco,mhadjimichael/paco,h/paco,mhadjimichael/paco,jaythaceo/paco,athoo/paco,h/paco,jaythaceo/paco,ominux/paco,ominux/paco,mtxs007/paco,mtxs007/paco,mhadjimichael/paco,kehollin/paco,athoo/paco,mhadjimichael/paco,ominux/paco,mtxs007/paco,h/paco,jaythaceo/paco,kehollin/paco,athoo/paco,hlecuanda/paco,h/paco,mtxs007/paco,google/paco,kehollin/paco,jaythaceo/paco,google/paco,bowlofstew/paco,ominux/paco,jaythaceo/paco,hlecuanda/paco,mtxs007/paco,ominux/paco,athoo/paco,mhadjimichael/paco