Fix type test in ApiVersion model binder. Fixes #452

Author: Chris Martinez

src/Microsoft.AspNetCore.Mvc.Versioning/Microsoft.AspNetCore.Mvc.Versioning.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
  <PropertyGroup>
-  <VersionPrefix>3.1.1</VersionPrefix>
+  <VersionPrefix>3.1.2</VersionPrefix>
   <AssemblyVersion>3.1.0.0</AssemblyVersion>
   <TargetFramework>netstandard2.0</TargetFramework>
   <NETStandardImplicitPackageVersion>2.0.0-*</NETStandardImplicitPackageVersion>

src/Microsoft.AspNetCore.Mvc.Versioning/ReleaseNotes.txt

@@ -1 +1 @@
-Fix 404 and 405 endpoint matching (#423)
+Fix ApiVersion model binding (#452)

src/Microsoft.AspNetCore.Mvc.Versioning/Versioning/ApiVersionModelBinderProvider.cs

@@ -13,7 +13,7 @@ public IModelBinder GetBinder( ModelBinderProviderContext context )
         {
             Contract.Assert( context != null );
 
-            if ( context.Metadata.ModelType.IsAssignableFrom( ApiVersionType ) )
+            if ( ApiVersionType.IsAssignableFrom( context.Metadata.ModelType ) )
             {
                 return binder;
             }