Bug 415238 - "Providing Details about Updates does not work" [p=dtownsend@mozilla.com (Dave Townsend [Mossop]) r=rob_strong a1.9b3=beltzner]

toolkit/mozapps/extensions/content/extensions.js

@@ -1493,8 +1493,9 @@ function onAddonSelect(aEvent)
         previewImageDeck.selectedIndex = 3;
       }
       else {
-        if (isSafeURI(gExtensionsView.selectedItem.getAttribute("availableUpdateInfo")))
-          UpdateInfoLoader.loadInfo(uri.spec);
+        var uri = gExtensionsView.selectedItem.getAttribute("availableUpdateInfo");
+        if (isSafeURI(uri))
+          UpdateInfoLoader.loadInfo(uri);
         else
           previewImageDeck.selectedIndex = 4;
       }