Add missing namespace.

Author: hikalkan

aspnet-core/src/AbpCompanyName.AbpProjectName.Web.Mvc/Controllers/AboutController.cs

@@ -1,4 +1,5 @@
-using AbpCompanyName.AbpProjectName.Controllers;
+using Abp.AspNetCore.Mvc.Authorization;
+using AbpCompanyName.AbpProjectName.Controllers;
 using Microsoft.AspNetCore.Mvc;
 
 namespace AbpCompanyName.AbpProjectName.Web.Controllers