Fix mistake

Staff.java

@@ -779,6 +779,15 @@ public class Staff {
 		"Hello Kitty"
 	);
     }
+    public Employee tonywu() {
+       return new Employee(
+           "Tony",
+           "Student",
+           "Student in CSE",
+           "NormanRockwell.jpg",
+           "Norman Rockwell Self-Portrait"
+       );
+   }
     public Employee pranavnt() {
         return new Employee(
                 "Pranav",