net: l2: bluetooth: Add cast to forward declared struct

Logging v2 is using _Generic keyword for detecting type of
log message arguments. Apparently, it does not support handling
of pointers to forward declared structures. Added casting to void *.

Signed-off-by: Krzysztof Chruscinski <[email protected]>

Author: nordic-krch

subsys/net/l2/bluetooth/bluetooth.c

@@ -319,7 +319,7 @@ static int ipsp_accept(struct bt_conn *conn, struct bt_l2cap_chan **chan)
 	struct bt_if_conn *if_conn = NULL;
 	int i;
 
-	NET_DBG("Incoming conn %p", conn);
+	NET_DBG("Incoming conn %p", (void *)conn);
 
 	/* Find unused slot to store the iface */
 	for (i = 0; i < CONFIG_BT_MAX_CONN; i++) {