Fixed jar-sources target.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/fop-0_95@688696 13f79535-47bb-0310-9956-ffa450edef68

build.xml

       <fileset dir="${src.java.dir}">
         <patternset refid="java-only"/>
       </fileset>
-      <fileset dir="${src.java.version.dir}">
-        <patternset refid="java-only"/>
-      </fileset>
       <fileset dir="${basedir}">
         <include name="LICENSE"/>
         <include name="NOTICE"/>