FIXED inputsystem linker error

BarinkEngine/Include/EventSystem/EventListener.cpp

@@ -1,5 +0,0 @@
-#include "EventListener.h"
-
-void EventListener::ReceiveEvent(Event& incident)
-{
-}

BarinkEngine/Include/EventSystem/EventListener.h

@@ -1,8 +1,12 @@
 #pragma once 
-#include "Event.h"
 #include <list>
+#include <iostream>
+
+#include "spdlog/spdlog.h"
+#include "Event.h"
+
 class EventListener{
   public: 
-    virtual void ReceiveEvent(Event& incident);
+    virtual void ReceiveEvent(Event& incident) = 0 ;
 
 };