Allow MDNSSSDP to be deactivated

Luc · Luc · commit 50f1199c1c99 · 2016-01-19T15:51:09.000+08:00
w/o compilation error. Thanks @treepleks
diff --git a/esp8266/webinterface.cpp b/esp8266/webinterface.cpp
@@ -24,6 +24,7 @@
 #include "wifi.h"
 #include <WiFiClient.h>
 #include <WiFiServer.h>
+#include <WiFiUdp.h>
 #include <ESP8266WiFi.h>
 #include <ESP8266WebServer.h>
 extern "C" {
