Fix goto class action in Idea 13.1

idea/testData/navigation/gotoClass/inClassObject.kt

@@ -0,0 +1,21 @@
+package test
+
+class InClassObject {
+    class object {
+        class ClassObjectClass {}
+
+        trait ClassObjectTrait {}
+
+        trait ClassObjectTraitWithImpl {
+            fun foo() {}
+        }
+
+        object ClassObjectObject() {}
+    }
+}
+
+// SEARCH_TEXT: ClassObject
+// REF: (test.InClassObject).ClassObjectClass
+// REF: (test.InClassObject).ClassObjectObject
+// REF: (test.InClassObject).ClassObjectTrait
+// REF: (test.InClassObject).ClassObjectTraitWithImpl