Cleanup EthernetUDP.h

Author: pschatzmann

ArduinoCore-Linux/cores/arduino/EthernetUDP.h

@@ -16,7 +16,7 @@
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */
-#include "EthernetUDP.h"
+#include "EthernetUdp.h"
 #include <errno.h>
 #include <fcntl.h>
 #include <netdb.h>