Ticket #4795: fix_clear_persistent_in_ar_stores.patch

vendor/rails/actionpack/lib/action_controller/session/active_record_store.rb

@@ -10 +10 @@
-      @dbman.model if @dbman
-    end
-
+    def data
+      @data
+    end
-
-    # A session store backed by an Active Record class.  A default class is
-    # provided, but any object duck-typing to an Active Record +Session+ class