Added OrdinalIgnoreCase to string.Equals

Author: khellang

src/Microsoft.AspNet.Http/FormFileCollection.cs

@@ -1,6 +1,7 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
+using System;
 using System.Collections.Generic;
 
 namespace Microsoft.AspNet.Http.Internal
@@ -13,7 +14,7 @@ public IFormFile GetFile(string name)
         {
             foreach (var file in this)
             {
-                if (string.Equals(name, file.Name))
+                if (string.Equals(name, file.Name, StringComparison.OrdinalIgnoreCase))
                 {
                     return file;
                 }
@@ -28,7 +29,7 @@ public IReadOnlyList<IFormFile> GetFiles(string name)
 
             foreach (var file in this)
             {
-                if (string.Equals(name, file.Name))
+                if (string.Equals(name, file.Name, StringComparison.OrdinalIgnoreCase))
                 {
                     files.Add(file);
                 }