Delete items as well as folders in XInventoryService.PurgeFolder - this should make emptying the trash work properly.

OpenSim/Services/InventoryService/XInventoryService.cs

@@ -342,6 +342,17 @@ namespace OpenSim.Services.InventoryService
                 m_Database.DeleteFolders("folderID", x.folderID.ToString());
             }
 
+            XInventoryItem[] items = m_Database.GetItems(
+                    new string[] { "parentFolderID" },
+                    new string[] { folder.ID.ToString() });
+
+            List<UUID> itemlist = new List<UUID>();
+            foreach (XInventoryItem i in items)
+            {
+                itemlist.Add(i.inventoryID);
+            }
+
+            DeleteItems(folder.Owner, itemlist);
 
             return true;
         }