inconsistency as pointed out by mindless

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@15949 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/lib/form/dropdownList.jelly

@@ -79,7 +79,7 @@ THE SOFTWARE.
             ${description}
         </f:description>
     </j:if>
-    <j:if test="${help!=null}">
+    <j:if test="${attrs.help!=null}">
         <f:helpArea/>
     </j:if>
 </j:jelly>
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