Enable warning for old catch syntax

compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java

 // Copyright (c) 2012, 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.
 
 package com.google.dart.compiler.parser;
 
 import com.google.common.base.Joiner;
 import com.google.dart.compiler.DartCompilerListener;
 import com.google.dart.compiler.DartSourceTest;
 import com.google.dart.compiler.ast.DartAnnotation;
@@ skipping 40 matching lines @@
   public void test_identifier_as() {
     parseUnit("identifier.dart", Joiner.on("\n").join(
         "class G {",
         "  int as = 0;",
         "}"));
   }
 
   public void test_index_literalMap() {
     parseUnit("test.dart", Joiner.on('\n').join(
         "main() {",
-        "  try { {'1' : 1, '2' : 2}['1']++; } catch(var e) {}",
+        "  try { {'1' : 1, '2' : 2}['1']++; } catch(e) {}",
         "}"));
   }
 
   public void test_redirectingFactoryConstructor_const() {
     parseUnit("redirecting.dart", Joiner.on("\n").join(
         "class B {",
         "  const factory B.n(int x) = A.m;",
         "}"));
   }
 
@@ skipping 1330 matching lines @@
             "typedef func(var arg());",
             ParserErrorCode.FUNCTION_TYPED_PARAMETER_IS_VAR, 1, 18);
   }
 
   public void test_finalInFunctionType() throws Exception {
     parseUnit("phony_var_in_function_type.dart",
             "typedef func(final arg());",
             ParserErrorCode.FUNCTION_TYPED_PARAMETER_IS_FINAL, 1, 20);
   }
 }