[TIPC]: Fix 64-bit build warnings.

When storing u32 values in a pointer, need to do
some long casts to keep GCC happy.

Signed-off-by: David S. Miller <[e-mail]>

net/tipc/bcast.c

···
 
 static inline u32 bcbuf_acks(struct sk_buff *buf)
 {
-	return (u32)TIPC_SKB_CB(buf)->handle;
+	return (u32)(unsigned long)TIPC_SKB_CB(buf)->handle;
 }
 
 static inline void bcbuf_set_acks(struct sk_buff *buf, u32 acks)
 {
-	TIPC_SKB_CB(buf)->handle = (void *)acks;
+	TIPC_SKB_CB(buf)->handle = (void *)(unsigned long)acks;
 }
 
 static inline void bcbuf_decr_acks(struct sk_buff *buf)

net/tipc/port.c

···
 	p_ptr->publ.connected = 1;
 	k_start_timer(&p_ptr->timer, p_ptr->probing_interval);
 
-	nodesub_subscribe(&p_ptr->subscription,peer->node, (void *)ref,
+	nodesub_subscribe(&p_ptr->subscription,peer->node,
+			  (void *)(unsigned long)ref,
 			  (net_ev_handler)port_handle_node_down);
 	res = TIPC_OK;
 exit:

net/tipc/subscr.c

···
 				       unsigned int size,
 				       int reason)
 {
-	struct subscriber *subscriber = ref_lock((u32)usr_handle);
+	struct subscriber *subscriber;
 	spinlock_t *subscriber_lock;
 
+	subscriber = ref_lock((u32)(unsigned long)usr_handle);
 	if (subscriber == NULL)
 		return;
 
···
 				  const unchar *data,
 				  u32 size)
 {
-	struct subscriber *subscriber = ref_lock((u32)usr_handle);
+	struct subscriber *subscriber;
 	spinlock_t *subscriber_lock;
 
+	subscriber = ref_lock((u32)(unsigned long)usr_handle);
 	if (subscriber == NULL)
 		return;
 
···
 	/* Establish a connection to subscriber */
 
 	tipc_createport(topsrv.user_ref,
-			(void *)subscriber->ref,
+			(void *)(unsigned long)subscriber->ref,
 			importance,
 			0,
 			0,