router: turn destinations member into a pointer
router: turn destinations member into a pointer

It's more proper to use a pointer, so lists can be swapped in one go.

lyft/carbon-c-relay,grobian/carbon-c-relay,grobian/carbon-c-relay,lyft/carbon-c-relay,lyft/carbon-c-relay,piotr1212/carbon-c-relay,piotr1212/carbon-c-relay,piotr1212/carbon-c-relay,piotr1212/carbon-c-relay,grobian/carbon-c-relay