Revert "remove an extra line"

This reverts commit 03fa4fae3e.

PipeProxyRestServer/PipeProxyRestServer/PipeProxyRestServer.csproj

@@ -39,6 +39,7 @@
     <Reference Include="Microsoft.Owin.Hosting">
       <HintPath>..\packages\Microsoft.Owin.Hosting.2.0.2\lib\net45\Microsoft.Owin.Hosting.dll</HintPath>
     </Reference>
+    <Reference Include="Microsoft.QualityTools.Testing.Fakes, Version=11.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
     <Reference Include="Newtonsoft.Json">
       <HintPath>..\packages\Newtonsoft.Json.6.0.8\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>