[TD] Update testdata according to previous commit

compiler/testData/codegen/boxInline/anonymousObject/kt19399.kt

@@ -1,4 +1,4 @@
-//WITH_RUNTIME
+// WITH_RUNTIME
 // FILE: 1.kt
 class Foo {
     var bar = ""
@@ -38,4 +38,4 @@ fun box(): String {
     foo.start()
 
     return foo.bar
-}
+}