Updating analog input pin number in Calibration example to match diagram.

build/shared/examples/Analog/Calibration/Calibration.pde

@@ -27,7 +27,7 @@
  */
 
 // These constants won't change:
-const int sensorPin = 2;     // pin that the sensor is attached to
+const int sensorPin = 0;     // pin that the sensor is attached to
 const int ledPin = 9;        // pin that the LED is attached to
 
 // variables:
@@ -72,4 +72,4 @@ void loop() {
 
   // fade the LED using the calibrated value:
   analogWrite(ledPin, sensorValue);
-}
+}