[TASK] added slides for lesson 09

Author: LeonardFollner

latex/slides/09-scopes_and_gui.tex

@@ -26,7 +26,7 @@ \subsection{Classes}
 		Car myCar; 
 
 		//Public are available in every part of our code.
-		public 
+		public Cat myCat;
 
 		//Private Attributes can only be acced via a method
 		private House myHouse;