Merge pull request #3203 from agdl/SerialEventFix

Added missing function call to serialEvent example

build/shared/examples/04.Communication/SerialEvent/SerialEvent.ino

@@ -28,6 +28,7 @@ void setup() {
 }
 
 void loop() {
+  serialEvent(); //call the function
   // print the string when a newline arrives:
   if (stringComplete) {
     Serial.println(inputString);