Move spaces from before comments to within comments

tests/language/regress_28217_test.dart

Index: tests/language/regress_28217_test.dart
diff --git a/tests/language/regress_28217_test.dart b/tests/language/regress_28217_test.dart
index 6761b81dca948c6cd53540ec574abe0773b321ce..4f6d57ef078e5fdcc36e044a1988f8cbc8900466 100644
--- a/tests/language/regress_28217_test.dart
+++ b/tests/language/regress_28217_test.dart
@@ -6,9 +6,9 @@
 // redirecting to a factory constructor.
 
 class B {
-  B() : this.a();    /// none: compile-time error
+  B() : this.a(); // /// none: compile-time error
   factory B.a() { }  /// 01: compile-time error
-  B.a();             /// 02: ok
+  B.a(); //          /// 02: ok
 }
 
 main() => new B();