RDS/IB: Make ib_recv_refill return void

Signed-off-by: Andy Grover <andy.grover@oracle.com>
diff --git a/net/rds/ib.h b/net/rds/ib.h
index d2dd23d..6265ada 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -323,7 +323,7 @@
 int rds_ib_recv(struct rds_connection *conn);
 int rds_ib_recv_alloc_caches(struct rds_ib_connection *ic);
 void rds_ib_recv_free_caches(struct rds_ib_connection *ic);
-int rds_ib_recv_refill(struct rds_connection *conn, int prefill);
+void rds_ib_recv_refill(struct rds_connection *conn, int prefill);
 void rds_ib_inc_free(struct rds_incoming *inc);
 int rds_ib_inc_copy_to_user(struct rds_incoming *inc, struct iovec *iov,
 			     size_t size);