Update Torch.API.csproj

Author: Bishbash777

Torch.API/Torch.API.csproj

@@ -34,6 +34,10 @@
     <DocumentationFile>$(SolutionDir)\bin\x64\Release\Torch.API.xml</DocumentationFile>
     <NoWarn>1591</NoWarn>
   </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="mscorlib" />
+    <Reference Include="netstandard, Version=2.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51" />
+  </ItemGroup>
   <ItemGroup>
     <Reference Include="HavokWrapper, Version=1.0.6278.22649, Culture=neutral, processorArchitecture=AMD64">
       <SpecificVersion>False</SpecificVersion>
@@ -198,4 +202,4 @@
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Import Project="$(SolutionDir)\TransformOnBuild.targets" />
-</Project>
+</Project>