fix serviceimpl

dspace-api/src/main/java/org/dspace/content/ItemServiceImpl.java

@@ -585,6 +585,7 @@ public class ItemServiceImpl extends DSpaceObjectServiceImpl<Item> implements It
 
         // Also delete the item if it appears in a harvested collection.
         HarvestedItem hi = harvestedItemService.find(context, item);
+
         if(hi!=null)
         {
             harvestedItemService.delete(context, hi);