Enforce LF line endings in the git database.

tests/compiler/dart2js/constant_expression_evaluate_test.dart

 // Copyright (c) 2015, 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.
 
 library dart2js.constants.expressions.evaluate_test;
 
 import 'dart:async';
 import 'package:async_helper/async_helper.dart';
 import 'package:expect/expect.dart';
 import 'package:compiler/src/constants/expressions.dart';
@@ skipping 217 matching lines @@
         ConstantValue value =
             constant.evaluate(environment, DART_CONSTANT_SYSTEM);
         String valueText = value.toStructuredString();
         Expect.equals(expectedText, valueText,
             "Unexpected value '${valueText}' for contant "
             "`${constant.getText()}`, expected '${expectedText}'.");
       });
     });
   });
 }