Convert phutil_render_tag(X, Y) to phutil_tag

Summary:
Created with spatch:

  lang=diff
  - phutil_render_tag
  + phutil_tag
    (X, Y)

(and null manually)

Test Plan: Loaded homepage

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4500

src/applications/files/controller/PhabricatorFileInfoController.php

@@ -141,7 +141,7 @@ final class PhabricatorFileInfoController extends PhabricatorFileController {
       // TODO: Clean this up after Pholio (dark backgrounds, standardization,
       // etc.)
 
-      $image = phutil_render_tag(
+      $image = phutil_tag(
         'img',
         array(
           'src' => $file->getViewURI(),