Commit b6fb0df1 ("RDS/IB: Make ib_recv_refill return void") did
not change the comment accordingly.

Fixes: b6fb0df1 ("RDS/IB: Make ib_recv_refill return void")
Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.ccom>
Signed-off-by: David S. Miller <davem@davemloft.net>