Adjust sample code to be compatible with Ant < 1.7
diff --git a/org.jacoco.doc/docroot/doc/ant.html b/org.jacoco.doc/docroot/doc/ant.html
index 8449c49..a9b4eb9 100644
--- a/org.jacoco.doc/docroot/doc/ant.html
+++ b/org.jacoco.doc/docroot/doc/ant.html
@@ -28,7 +28,7 @@
 <span class="nr">    2</span>

 <span class="nr">    3</span>    &lt;taskdef uri="antlib:org.jacoco.ant" resource="org/jacoco/ant/antlib.xml"&gt;

 <span class="nr">    4</span>        &lt;classpath&gt;

-<span class="nr">    5</span>            &lt;file file="<i>path_to_jacoco</i>/lib/jacocoant.jar"/&gt;

+<span class="nr">    5</span>            &lt;pathelement location="<i>path_to_jacoco</i>/lib/jacocoant.jar"/&gt;

 <span class="nr">    6</span>        &lt;/classpath&gt;

 <span class="nr">    7</span>    &lt;/taskdef&gt;

 <span class="nr">    8</span>