formatting changes

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@13039 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/lib/hudson/executors.jelly

@@ -46,13 +46,13 @@
                   <span class="error">${%Dead} (!)</span>
                 </a>
               </td>
-              <td class="pane"></td>
+              <td class="pane"/>
             </j:when>
             <j:when test="${e.idle}">
 	            <td class="pane" width="70%">
 	              ${%Idle}
 	            </td>
-	            <td class="pane"></td>
+	            <td class="pane"/>
 	          </j:when>
 	          <j:otherwise>
 	            <td class="pane" width="70%">