Fix next_uri

Summary: we were using the "path" as the next_uri and that drops some delicious get parameters

Test Plan: see T1140; basically re-ran the steps listed there and they passed!

Reviewers: epriestley, njhartwell

Reviewed By: epriestley

CC: aran, Koolvin

Maniphest Tasks: T1140, T1009

Differential Revision: https://secure.phabricator.com/D2299

Author: bobtrahan

src/applications/auth/controller/login/PhabricatorLoginController.php

@@ -64,9 +64,11 @@ public function processRequest() {
       ));
     }
 
-    $next_uri = $this->getRequest()->getPath();
-    if ($next_uri == '/login/') {
+    $next_uri_path = $this->getRequest()->getPath();
+    if ($next_uri_path == '/login/') {
       $next_uri = '/';
+    } else {
+      $next_uri = $this->getRequest()->getRequestURI();
     }
 
     if (!$request->isFormPost()) {