Fixed empty new functions to start the project

Source/CharacterPlugin/Private/VHListenerBackchannels.cpp

@@ -94,13 +94,19 @@ void UVHListenerBackchannels::StartXNods(int nodCount)
 	NoddingTime = 0.0f;
 }
 
-void PlayVocalization()
+void UVHListenerBackchannels::PlayVocalization()
 {
 	return;
 }
 
-void PlaySmile(float ActualSmileLengt)
+void UVHListenerBackchannels::PlaySmile(float ActualSmileLength)
 {
+	/*CurrentlySelectedEmotion = SelectedEmotion;
+	SelectedEmotion = Happiness;
+	ActualSmilingTime = ActualSmileLength;
+
+	bSmiling = true;
+	SmilingTime = 0.0f;*/
 	return;
 }