Call hf_mailbox_send with extra argument.

Change-Id: Ia031c038cdc1ff477fffc3d7b96afe52b0f38a6f
diff --git a/main.c b/main.c
index 5c086a3..505ca6c 100644
--- a/main.c
+++ b/main.c
@@ -451,7 +451,7 @@
 	 */
 	spin_lock_irqsave(&hf_send_lock, flags);
 	memcpy(page_address(hf_send_page), skb->data, skb->len);
-	ret = hf_mailbox_send(vm->id, skb->len);
+	ret = hf_mailbox_send(vm->id, skb->len, false);
 	spin_unlock_irqrestore(&hf_send_lock, flags);
 
 	if (ret < 0)