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/macro/controller/PhabricatorMacroViewController.php

@@ -158,7 +158,7 @@ final class PhabricatorMacroViewController
 
     if ($file) {
       $view->addTextContent(
-        phutil_render_tag(
+        phutil_tag(
           'img',
           array(
             'src'     => $file->getViewURI(),