websocket: move .nonce_size to pub mut:

vlib/net/websocket/examples/client.v

@@ -31,6 +31,7 @@ fn main() {
 	}
 */
 	mut ws := websocket.new('ws://localhost:9001/getCaseCount')
+	// ws.nonce_size = 16 // try this, if it does not work with your server
 	// defer { }
 	ws.subscriber.subscribe('on_open', on_open)
 	ws.subscriber.subscribe('on_message', on_message)

vlib/net/websocket/ws.v

@@ -19,7 +19,6 @@ pub struct Client {
 	// cwebsocket_subprotocol *subprotocol;
 	// cwebsocket_subprotocol *subprotocols[];
 mut:
-	nonce_size int = 18 // you can try 16 too
 	lock       &sync.Mutex = sync.new_mutex()
 	write_lock &sync.Mutex = sync.new_mutex()
 	state      State
@@ -31,6 +30,7 @@ mut:
 pub mut:
 	uri        string
 	subscriber &eventbus.Subscriber
+	nonce_size int = 18 // you can try 16 too
 }
 
 struct Fragment {