Hackaround for http caching problem on poll pages; the notice doesn't change, but the results do, so don't use the notice's last-modifeid time as a caching epoch.

plugins/Poll/showpoll.php

@@ -108,4 +108,21 @@ class ShowPollAction extends ShownoticeAction
                        $this->poll->question);
     }
 
+    /**
+     * @fixme combine the notice time with poll update time
+     */
+    function lastModified()
+    {
+        return Action::lastModified();
+    }
+
+
+    /**
+     * @fixme combine the notice time with poll update time
+     */
+    function etag()
+    {
+        return Action::etag();
+    }
+
 }