added dependency to log4j.jar for the Log4jListener

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@274855 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/install.html

@@ -386,6 +386,12 @@ Installing Ant / Optional Tasks</a> section above.</p>
     <td><a href="http://jakarta.apache.org/commons/logging/index.html"
            target="_top">http://jakarta.apache.org/commons/logging/index.html</a></td>
   </tr>
+  <tr>
+    <td>log4j.jar</td>
+    <td>Log4jListener</td>
+    <td><a href="http://jakarta.apache.org/log4j/docs/index.html"
+           target="_top">http://jakarta.apache.org/log4j/docs/index.html</a></td>
+  </tr>
   <tr>
     <td>commons-net.jar</td>
     <td>ftp, rexec and telnet tasks</td>