Move spaces from before comments to within comments

tests/language/optimized_lists_test.dart

Index: tests/language/optimized_lists_test.dart
diff --git a/tests/language/optimized_lists_test.dart b/tests/language/optimized_lists_test.dart
index e55fa83a358cdf622b560c64f659f6b7d9573929..eab35bb1cf54ee0e0241b30c4201c60e32c272b6 100644
--- a/tests/language/optimized_lists_test.dart
+++ b/tests/language/optimized_lists_test.dart
@@ -15,7 +15,7 @@ main() {
 
 
 test(n) {
-  var a = new List();    // Growable list.
+  var a = new List(); //    Growable list.
   var b = new List(10);  // Fixed size list.
   var c = const [1, 2, 3, 4];  // Constant aray.
   // In optimized mode the class checks will be eliminated since the