fixup! Remove breaking changes

Author: hazzik

src/NHibernate/Event/Default/DefaultRefreshEventListener.cs

@@ -4,6 +4,7 @@
 using NHibernate.Cache;
 using NHibernate.Engine;
 using NHibernate.Impl;
+using NHibernate.Intercept;
 using NHibernate.Persister.Entity;
 using NHibernate.Type;
 using NHibernate.Util;