Blink-IO.js: Call the function after declaring it

This works ok if executing the whole file but the node.js interactive
interpreter gets confused when yoy copy and paste the code

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

examples/javascript/Blink-IO.js

@@ -29,11 +29,12 @@ var myLed = new m.Gpio(13); //LED hooked up to digital pin 13 (or built in pin o
 myLed.dir(m.DIR_OUT); //set the gpio direction to output
 var ledState = true; //Boolean to hold the state of Led
 
-periodicActivity(); //call the periodicActivity function
-
 function periodicActivity()
 {
   myLed.write(ledState?1:0); //if ledState is true then write a '1' (high) otherwise write a '0' (low)
   ledState = !ledState; //invert the ledState
   setTimeout(periodicActivity,1000); //call the indicated function after 1 second (1000 milliseconds)
 }
+
+periodicActivity(); //call the periodicActivity function
+