mantis 8212 do use defined sqlite connection

OpenSim/Data/SQLite/SQLiteXInventoryData.cs

@@ -308,14 +308,8 @@ namespace OpenSim.Data.SQLite
                 cmd.CommandText = "update inventoryfolders set version=version+1 where folderID = ?folderID";
                 cmd.Parameters.Add(new SqliteParameter(":folderID", folderID));
 
-                try
-                {
-                    cmd.ExecuteNonQuery();
-                }
-                catch (Exception)
-                {
+                if(ExecuteNonQuery(cmd, m_Connection) == 0)
                     return false;
-                }
             }
 
             return true;