Add back fref

Author: wtgodbe

src/Servers/IIS/IIS/test/testassets/InProcessNewShimWebSite/InProcessNewShimWebSite.csproj

@@ -32,6 +32,10 @@
     <DoNotApplyWorkaroundsToMicrosoftAspNetCoreApp>true</DoNotApplyWorkaroundsToMicrosoftAspNetCoreApp>
   </PropertyGroup>
 
+  <ItemGroup Condition="'$(TargetFrameworks)' == '$(NetMinimum)'">
+    <FrameworkReference Include="Microsoft.AspNetCore.App" />
+  </ItemGroup>
+
   <ItemGroup Condition="'$(TargetFramework)' == '$(DefaultNetCoreTargetFramework)'">
     <Reference Include="Microsoft.AspNetCore.Server.IIS" />
     <Reference Include="Microsoft.AspNetCore.Hosting" />