Merge pull request #3025 from ebean-orm/fix/3024

Fix for #3024 NPE when lazy loading after deserialising an entity bean

ebean-api/src/main/java/io/ebean/bean/InterceptReadWrite.java

@@ -47,7 +47,7 @@ public final class InterceptReadWrite implements EntityBeanIntercept {
    */
   private static final byte FLAG_MUTABLE_HASH_SET = 16;
 
-  private transient final ReentrantLock lock = new ReentrantLock();
+  private final ReentrantLock lock = new ReentrantLock();
   private transient NodeUsageCollector nodeUsageCollector;
   private transient PersistenceContext persistenceContext;
   private transient BeanLoader beanLoader;