Fix status code not only for the file protocol but everytime when sta…

…tus is equal zero.

This fixes an issue on Android stock browser that occurs for me in Ice Cream Sandwich (4.0) and Jelly Bean (4.1). In these browsers the status code was 0 when AngularJS was requesting templates and get them served out of Appcache (http://www.whatwg.org/specs/web-apps/current-work/multipage/offline.html).

src/ng/httpBackend.js

@@ -93,8 +93,8 @@ function createHttpBackend($browser, XHR, $browserDefer, callbacks, rawDocument,
       // URL_MATCH is defined in src/service/location.js
       var protocol = (url.match(URL_MATCH) || ['', locationProtocol])[1];
 
-      // fix status code for file protocol (it's always 0)
-      status = (protocol == 'file') ? (response ? 200 : 404) : status;
+      // fix status code when it is 0, i.e. for file protocol and appcache (aka. offline web applications)
+      status = (status == 0) ? (response ? 200 : 404) : status;
 
       // normalize IE bug (http://bugs.jquery.com/ticket/1450)
       status = status == 1223 ? 204 : status;