Will there be another WC open then?
Unless 3 more withdrawals occur for him to enter as a DIRECT ENTRY
Seeds can also be wildcards (see Nieminen, Fognini and Gimeno-Traver this week at Le Gosier CH) because they did not sign up on the entry lists before the deadline.
Raonic signed up before the deadline but his ranking before the deadline means he has to play qualies.
Being a seed does not equate to not needing a wildcard.