add missing include

Links2004 · Links2004 · commit 4ef8d733dcd4 · 2019-06-29T18:35:21.000+02:00
diff --git a/examples/esp8266/WebSocketClientSocketIO/WebSocketClientSocketIO.ino b/examples/esp8266/WebSocketClientSocketIO/WebSocketClientSocketIO.ino
@@ -13,6 +13,7 @@
 #include <ArduinoJson.h>
 
 #include <WebSocketsClient.h>
+#include <SocketIOclient.h>
 
 #include <Hash.h>
 
