Fix xpfe autocomplete bustage from bugs 366837/438861 [p=Standard8]

(from) Bug 443837 - Get SeaMonkey/Thunderbird patches from cvs trunk into mozilla-central

xpfe/components/autocomplete/resources/content/autocomplete.xml

@@ -654,6 +654,7 @@
               this.clearResultElements(false);
             this.searchFailed();
             return;
+          }
           if (aStatus == Components.interfaces.nsIAutoCompleteStatus.failureItems){
             ++this.mFailureItems;