ZF-6989: changed the result object hash generation on request, do fix a possible problem

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@22307 44c647ce-9c0f-0410-b52a-842ac1e357ba

library/Zend/Paginator.php

@@ -1013,7 +1013,7 @@ class Zend_Paginator implements Countable, IteratorAggregate
     protected function _getCacheInternalId()
     {
         return md5(serialize(array(
-            get_class($this->getAdapter()),
+            spl_object_hash($this->getAdapter()),
             $this->getItemCountPerPage()
         )));
     }