fixed #1189

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@6748 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/hudson/widgets/HistoryWidget/entry.jelly

@@ -36,7 +36,7 @@
     </td></tr>
   </j:if>
   <j:if test="${!empty build.description}">
-    <tr>
+    <tr class="${h.ifThenElse(build.building,'transitive',null)}">
       <td></td>
       <td style="padding:0;white-space:normal">
         ${build.truncatedDescription}