JavaxWebSocketClientContainerProvider getContainer should remain prot…

…ected.

Signed-off-by: Lachlan Roberts <lachlan@webtide.com>

jetty-websocket/websocket-javax-client/src/main/java/org/eclipse/jetty/websocket/javax/client/JavaxWebSocketClientContainerProvider.java

@@ -51,7 +51,7 @@ public static void stop(WebSocketContainer container) throws Exception
      * </p>
      */
     @Override
-    public WebSocketContainer getContainer()
+    protected WebSocketContainer getContainer()
     {
         return getContainer(null);
     }