typepo: snipnet -> snippet

Obtained from: Jan


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@276864 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/OptionalTasks/script.html

@@ -55,7 +55,7 @@ Groups@Google: "Rhino, enum.js, JavaAdapter?"</a> by Norris Boyd in the newsgrou
   </tr>
 </table>
 <h3>Examples</h3>
-The following snipnet shows use of three different languages:
+The following snippet shows use of three different languages:
   <blockquote><pre>
     &lt;property name="message" value="Hello world"/&gt;