fix analogReadPotentio comment

Author: manuio

examples/analog/analogReadPotentio_JS/index.html

@@ -25,7 +25,7 @@
     <script>
 
         var potar;
-        
+		
 		// Function called when the DOM and websocket to WeIO are fully opened
         function onWeioReady() {
             // Create potentiometer