Fix incorrect unparse of static/final fields in classes:

tests/compiler/dart2js/unparser_test.dart

Index: tests/compiler/dart2js/unparser_test.dart
diff --git a/tests/compiler/dart2js/unparser_test.dart b/tests/compiler/dart2js/unparser_test.dart
index 56864d381061bd08c25d754d5893fb51d575cb9a..3aab4d45f6742f1a75c1eeb92af4c7e42f52cb4c 100644
--- a/tests/compiler/dart2js/unparser_test.dart
+++ b/tests/compiler/dart2js/unparser_test.dart
@@ -147,6 +147,9 @@ testVariableDefinitions() {
   testDart2Dart('main(){final var x, y; final String s;}');
   testDart2Dart('foo(f, g){}main(){foo(1, 2);}');
   testDart2Dart('foo(f(arg)){}main(){foo(main);}');
+  // A couple of static/finals inside a class.
+  testDart2Dart('main(){A.a; A.b;}class A{static final String a="5";'
+      'static final String b="4";}');
 }
 
 testGetSet() {