build.xml: fixed problem building ScalaDoc on JDK 1.4.

git-svn-id: http://lampsvn.epfl.ch/svn-repos/scala/scala/trunk@9858 5e8d7ff9-d8ef-0310-90f0-a4852d11357a

build.xml

@@ -724,7 +724,7 @@ DOCUMENTATION
       classpath="${quick.dir}/lib/library">
       <include name="dbc/**/*.scala"/>
       <include name="actors/**/*.scala"/>
-      <exclude name="scala/actors/ThreadPoolScheduler.scala" if="java14"/>
+      <exclude name="actors/scala/actors/ThreadPoolScheduler.scala" if="java14"/>
       <include name="library/**/*.scala"/>
       <excludesfile name="${nsc.excludes.file}" if="excludes.avail"/>
     </quickdoc>