Fix warnings.

Author: JohanLarsson

AspNetCoreAnalyzers/CodeFixes/TemplateTextFix.cs

@@ -29,7 +29,7 @@ public override async Task RegisterCodeFixesAsync(CodeFixContext context)
 
             foreach (var diagnostic in context.Diagnostics)
             {
-                if (syntaxRoot.TryFindNodeOrAncestor(diagnostic, out LiteralExpressionSyntax literal) &&
+                if (syntaxRoot.TryFindNodeOrAncestor<LiteralExpressionSyntax>(diagnostic, out _) &&
                     diagnostic.Properties.TryGetValue(nameof(Text), out var text))
                 {
                     context.RegisterCodeFix(

ValidCode/Constraints/IdentityController.cs

@@ -1,4 +1,4 @@
-namespace ValidCode
+namespace ValidCode.Constraints
 {
     using System;
     using Microsoft.AspNetCore.Mvc;

ValidCode/Constraints/RegexController.cs

@@ -1,4 +1,4 @@
-namespace ValidCode
+namespace ValidCode.Constraints
 {
     using Microsoft.AspNetCore.Mvc;