Add includes to Client Server and Udp

Author: pennam

libraries/WiFi/src/WiFiC3.h

@@ -252,7 +252,8 @@ class CWifi {
 
 extern CWifi WiFi;
 
+#include "WiFiClient.h"
+#include "WiFiServer.h"
+#include "WiFiUdp.h"
 
-
-
-#endif
+#endif