fix html error

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@537763 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTasks/conditions.html

@@ -949,12 +949,12 @@ is redundant and will be ignored.</p>
   <tr>
     <td valign="top">partition</td>
     <td valign="top">The partition or filesystem to check for freespace</td>
-    <td valign="top" rowspan="2" align="center">Yes</td>
+    <td valign="top" align="center">Yes</td>
   </tr>
   <tr>
     <td valign="top">needed</td>
     <td valign="top">The amount of freespace needed.</td>
-    <td valign="top" rowspan="2" align="center">Yes</td>
+    <td valign="top" align="center">Yes</td>
   </tr>
 </table>
   <p>