J2K: adapted for default visibility modifier 'public'

j2k/testData/fileOrElement/constructors/fieldsInitializedFromParams7.kt

@@ -1,6 +1,6 @@
 // ERROR: Property must be initialized or be abstract
-class C(x: Any, b: Boolean) {
-    public var x: Any
+internal class C(x: Any, b: Boolean) {
+    var x: Any
 
     init {
         if (b) {