Make example function ready. But need to resolve Jira 675

Author: sgbihu

libraries/CurieBLE/examples/CallbackLED/CallbackLED.ino

@@ -61,7 +61,7 @@ void switchCharacteristicWritten(BLEHelper& central, BLECharacteristic& characte
   // central wrote new value to characteristic, update LED
   Serial.print("Characteristic event, written: ");
 
-  if (characteristic.value()) {
+  if (switchChar.value()) {
     Serial.println("LED on");
     digitalWrite(ledPin, HIGH);
   } else {

libraries/CurieBLE/examples/LEDCentral/LEDCentral.ino

@@ -96,7 +96,7 @@ void switchCharacteristicWritten(BLEHelper& peripheral, BLECharacteristic& chara
     // Read response/Notification wrote new value to characteristic, update LED
     Serial.print("Characteristic event, written: ");
 
-    if (characteristic.value()) 
+    if (switchChar.value()) 
     {
         Serial.println("LED on");
         digitalWrite(ledPin, HIGH);