KT-2752: fix translation of call to internal function from subclass

js/js.translator/testData/box/expression/invoke/internalFunctionFromSuperclass.kt

@@ -0,0 +1,9 @@
+abstract class A {
+    final internal fun foo() = "OK"
+}
+
+class B : A() {
+    fun bar() = foo()
+}
+
+fun box() = B().bar()