Update

Author: hyonholee

src/ServiceManagement/Compute/Sync/Sync.csproj

@@ -126,4 +126,4 @@
     <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-</Project>
+</Project>

src/ServiceManagement/Compute/VhdManagement/VhdManagement.csproj

@@ -52,6 +52,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
+    <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="System.Data" />