Fixed dartc test/build setup, so test can run on Windows. Might be related to dart:2623

compiler/build.xml

 <!--
   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.
  -->
 <project default="dist">
   <!--
       EDIT DARTC.XML FIRST.  This file is no longer used to build
       dartc proper.  It is only here to avoid breaking dartium.gyp
       short term.  Change dartc.xml to get everything working, 
@@ skipping 122 matching lines @@
       <regexpmapper from="${third_party.dir}/(.*)" to="$DART_ANALYZER_LIBS/\1"/>
     </pathconvert>
 
     <copy file="scripts/dart_analyzer.sh" tofile="${dist.dir}/bin/dart_analyzer">
       <filterset>
         <filter token="CLASSPATH" value="$DART_ANALYZER_LIBS/dart_analyzer.jar:${analyzer.classpath.runtime.unix}"/>
       </filterset>
     </copy>
     <chmod file="${dist.dir}/bin/dart_analyzer" perm="a+rx"/>
 
+    <copy file="scripts/dart_analyzer.bat" tofile="${dist.dir}/bin/dart_analyzer.bat">
+      <filterset>
+        <filter token="CLASSPATH" value="$DART_ANALYZER_LIBS/dart_analyzer.jar:${analyzer.classpath.runtime.win}"/>
+      </filterset>
+    </copy>
+
    <!--
       TODO: The following files are not strictly due to dist, move them out.
     -->
     <copy todir="${build.dir}">
       <fileset dir="scripts">
         <include name="analyzer_metrics.sh"/>
       </fileset>
       <filterset>
         <filter token="CLASSPATH" value="$DARTC_LIBS/dart_analyzer.jar:${analyzer.classpath.runtime.unix}"/>
       </filterset>
@@ skipping 11 matching lines @@
 
   <target name="clean" description="Deletes the build output directory.">
     <delete dir="${build.dir}"/>
     <delete dir="${dist.dir}"/>
   </target>
 
   <target name="tests.jar" depends="compile-tests">
     <jar destfile="${build.dir}/tests.jar" basedir="${build.test.classes.dir}"/>
   </target>
 </project>