fix scanner test expectations

pkg/analyzer/test/generated/scanner_test.dart

 // Copyright (c) 2014, 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 analyzer.test.generated.scanner_test;
 
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/src/dart/ast/token.dart';
 import 'package:analyzer/src/dart/scanner/reader.dart';
 import 'package:analyzer/src/dart/scanner/scanner.dart';
@@ skipping 113 matching lines @@
   }
 
   void test_linestarts() {
     String source = "var\r\ni\n=\n1;\n";
     GatheringErrorListener listener = new GatheringErrorListener();
     Scanner scanner =
         new Scanner(null, new CharSequenceReader(source), listener);
     var token = scanner.tokenize();
     expect(token.lexeme, 'var');
     var lineStarts = scanner.lineStarts;
-    expect(lineStarts, orderedEquals([0, 5, 7, 9, 12]));
+    expect(lineStarts, orderedEquals([0, 5, 7, 9, 11]));
   }
 
   void _assertLineInfo(
       String source, List<ScannerTest_ExpectedLocation> expectedLocations) {
     GatheringErrorListener listener = new GatheringErrorListener();
     _scanWithListener(source, listener);
     listener.assertNoErrors();
     LineInfo info = listener.getLineInfo(new TestSource());
     expect(info, isNotNull);
     int count = expectedLocations.length;
@@ skipping 93 matching lines @@
     buffer.write(token.type);
     buffer.write(", '");
     buffer.write(token.lexeme);
     buffer.write("', ");
     buffer.write(token.offset);
     buffer.write(", ");
     buffer.write(token.length);
     buffer.write("]");
   }
 }