commit 577a65bf31c5dd30c4210844fcc693e34a5ebf59
Author: Francesco Placella <plach.git@psegno.it>
Date:   Fri Jul 3 14:43:15 2015 +0100

    Fixed 117 again.

diff --git a/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php b/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php
index a01e01d..1942f6d 100644
--- a/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php
+++ b/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php
@@ -576,10 +576,7 @@ protected function doLoadRevisionFieldItems($revision_id) {
     if (!empty($records)) {
       // Convert the raw records to entity objects.
       $entities = $this->mapFromStorageRecords($records, TRUE);
-      $entity = reset($entities);
-      if ($entity) {
-        $revision = $entity;
-      }
+      $revision = reset($entities) ?: NULL;
     }
 
     return $revision;