Fix JetTreeVisitor for file case

compiler/frontend/src/org/jetbrains/kotlin/psi/JetTreeVisitor.java

@@ -24,4 +24,11 @@ public class JetTreeVisitor<D> extends JetVisitor<Void, D> {
         element.acceptChildren(this, data);
         return null;
     }
+
+    @Override
+    public Void visitJetFile(@NotNull JetFile file, D data) {
+        super.visitJetFile(file, data);
+        file.acceptChildren(this, data);
+        return null;
+    }
 }

idea/src/org/jetbrains/kotlin/idea/quickfix/DeprecatedLambdaSyntaxFix.kt

@@ -73,12 +73,6 @@ public class DeprecatedLambdaSyntaxInWholeProjectFix(element: JetFunctionLiteral
             }
             return null
         }
-
-        override fun visitJetFile(file: JetFile, data: Int?): Void? {
-            super.visitJetFile(file, data)
-            file.acceptChildren(this, data)
-            return null
-        }
     }
 
     companion object Factory : JetSingleIntentionActionFactory() {