Pass user to DifferentialRevisionDetailRenderer

Summary: I know that this code would be replaced by something else but until then...

Test Plan: Used it in our renderer.

Reviewers: epriestley, edward

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5165

src/applications/differential/controller/DifferentialRevisionViewController.php

@@ -238,6 +238,7 @@ final class DifferentialRevisionViewController extends DifferentialController {
       // TODO: build a better version of the action links and deprecate the
       // whole DifferentialRevisionDetailRenderer class.
       $custom_renderer = newv($custom_renderer_class, array());
+      $custom_renderer->setUser($user);
       $custom_renderer->setDiff($target);
       if ($diff_vs) {
         $custom_renderer->setVSDiff($diffs[$diff_vs]);