Close connection when demo is finished.

git-svn-id: svn+ssh://oldsvn/home/mlalondesvn/svn/cral@111 3ee9b42a-b53c-0410-a25e-f0b6218d5d5b

branches/follower/wiz810mj/src/demo/WizDemo4/WizDemo4.pde

@@ -398,6 +398,7 @@ void setup () {
   
   Serial.println("Connected...");
 
+  conn.close();  
 
   Serial.println("End test and dummy loop");
   while (1) {}