when there's no usage, there are no "following places".

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@1779 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/hudson/model/Fingerprint/index.jelly

@@ -28,6 +28,14 @@
         </j:choose>
       </div>
       <h2>Usage</h2>
+      <j:set var="jobs" value="${it.jobs}"/>
+      <j:choose>
+        <j:when test="${empty(jobs)}">
+          <p>
+            This file has not been used anywhere else.
+          </p>
+        </j:when>
+        <j:otherwise>
           <p>
             This file has been used in the following places:
           </p>
@@ -52,6 +60,8 @@
               </tr>
             </j:forEach>
           </table>
+        </j:otherwise>
+      </j:choose>
     </l:main-panel>
   </l:layout>
 </j:jelly>
\ No newline at end of file