Appeared a typo in previous commmit

Didn't notice on system where had htaccess custom field.

src/applications/people/storage/PhabricatorUser.php

@@ -148,7 +148,7 @@ final class PhabricatorUser
       if (count($xactions)) {
         $editor = id(new PhabricatorUserProfileEditor())
           ->setActor($this)
-          ->setContentSource($xaction->getContentSource());
+          ->setContentSource($xactions[0]->getContentSource());
         $editor->applyTransactions($this, $xactions);
       }
     }