Update code to test build

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

examples/ChatServer/ChatServer.ino

@@ -30,7 +30,6 @@ IPAddress myDns(192,168,1, 1);
 IPAddress gateway(192, 168, 1, 1);
 IPAddress subnet(255, 255, 0, 0);
 
-
 // telnet defaults to port 23
 EthernetServer server(23);
 bool alreadyConnected = false; // whether or not the client was connected previously