pkg/compiler: fix imports

pkg/compiler/lib/src/cps_ir/scalar_replacement.dart

Index: pkg/compiler/lib/src/cps_ir/scalar_replacement.dart
diff --git a/pkg/compiler/lib/src/cps_ir/scalar_replacement.dart b/pkg/compiler/lib/src/cps_ir/scalar_replacement.dart
index a913f0852ef78996cd23c15809c549e6731d86ff..b66f88f244f7d73fb7c9bb1d47459c1b25670472 100644
--- a/pkg/compiler/lib/src/cps_ir/scalar_replacement.dart
+++ b/pkg/compiler/lib/src/cps_ir/scalar_replacement.dart
@@ -3,8 +3,6 @@
 // BSD-style license that can be found in the LICENSE file.
 library dart2js.cps_ir.scalar_replacement;
 
-import 'optimizers.dart';
-
 import 'dart:collection' show Queue;
 
 import '../common.dart';
@@ -14,6 +12,7 @@ import '../elements/elements.dart';
 import '../types/types.dart';
 import '../world.dart' show World;
 import 'cps_ir_nodes.dart';
+import 'optimizers.dart';
 
 /**
  * Replaces aggregates with a set of local values.  Performs inlining of