Documented wrong attribute.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@518151 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTasks/conditions.html

@@ -726,7 +726,7 @@ Probe for the maven repository being reachable using the hostname, ten second ti
 </p>
 
 <blockquote><pre>
-&lt;resourcecount refid=&quot;myresourcecollection&quot; when=&quot;greater&quot; length=&quot;0&quot; /&gt;
+&lt;resourcecount refid=&quot;myresourcecollection&quot; when=&quot;greater&quot; count=&quot;0&quot; /&gt;
 </pre></blockquote>
 <p>Verify that a resource collection is not empty.</p>