Fix up typo in documentation

PR:	2706
Submitted by:	jfreidling@bigfoot.de


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269368 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/dirtasks.html

@@ -139,7 +139,7 @@ but excludes all <code>*.gif</code> files from the copy.</p>
 <p> This example can also be expressed using nested elements:</p>
 <pre>
 &lt;copy todir=&quot;${dist}&quot;>
-  &lt;fileset dir=&quot;${src}&quot;/&gt;
+  &lt;fileset dir=&quot;${src}&quot;&gt;
     &lt;include name=&quot;**/images/*&quot;/&gt;
     &lt;exclude name=&quot;**/*.gif&quot;/&gt;
   &lt;/fileset&gt;