Merge fix for bug 18053 from 1.5 branch

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@274273 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTasks/javac.html

@@ -262,7 +262,7 @@ invoking the compiler.</p>
     <td valign="top">includeJavaRuntime</td>
     <td valign="top">Whether to include the default run-time
       libraries from the executing VM in the classpath;
-      defaults to <code>yes</code>.</td>
+      defaults to <code>no</code>.</td>
     <td align="center" valign="top">No</td>
   </tr>
   <tr>