commit 204ede7b3b319073383e73ab89b5c7c64513b78d
Author: James Wilson <jwilson3@220177.no-reply.drupal.org>
Date:   Sat May 18 23:26:46 2013 -0400

    Issue #1778990-50: Fix missing pager-item class.

diff --git a/core/includes/pager.inc b/core/includes/pager.inc
index 4ca2970..073e22c 100644
--- a/core/includes/pager.inc
+++ b/core/includes/pager.inc
@@ -326,6 +326,7 @@ function template_preprocess_pager(&$variables) {
         // Specify how many pages are between this item and the current page.
         // Ignored by default, supplied for alternative implementations.
         '#interval' => ($i - $pager_current),
+        '#wrapper_attributes' => array('class' => array('pager-item')),
       );
     }
   }