Move spaces from before comments to within comments

tests/language_strong/constructor6_test.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 // Dart test program for constructors and initializers.
 
 import "package:expect/expect.dart";
 
 // Super initializer and super constructor body are executed in with the same
 // bindings.
 
 String trace = "";
 
 int E(int i) {
   trace = "$trace$i-";
   return i;
 }
 
 class A {
   // f closes-over arg.  arg needs to be preserved while b2 is initialized.
   A(arg)
       : a = E(arg += 1)
       , f = (() => E(arg += 10)) {
     // b2 should be initialized between the above initializers and the following
     // statements.
     var r1 = f();
     E(arg += 100);  // If this is the same arg as closed by f, ...

[sra1, 2017/03/21 03:28:14]

fix

-    var r2 = f();   // .. the effect of +=100 will be seen here.
+    var r2 = f(); //   .. the effect of +=100 will be seen here.
   }
   final a;
   final f;
 }
 
 class B extends A {
   // Initializers in order: b1, super, b2.
   B(x, y) : b1 = E(x++), super(1000), b2 = E(y++) {
     // Implicit super call to A's body happens here.
     E(x);
     E(y);
     f();
   }
   var b1;
   var b2;
 }
 
 class C extends B {
   C() : super(10, 20);
 }
 
 main() {
   var c = new C();
   Expect.equals("10-1001-20-1011-1111-1121-11-21-1131-", trace);
 }