message: Fix where SourceRoot is specified
diff: <EnableDefaultNoneItems>false</EnableDefaultNoneItems>
  <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
  <SignAssembly>false</SignAssembly>
  - <SourceRoot Include="$(MSBuildThisFileDirectory)" />
  <SuppressNETCoreSdkPreviewMessage>true</SuppressNETCoreSdkPreviewMessage>
  <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
  </PropertyGroup>
  + <ItemGroup>
  + <SourceRoot Include="$(MSBuildThisFileDirectory)" />
  + </ItemGroup>
  +
  <PropertyGroup Condition="'$(Configuration)' == 'Debug'">
  <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
  </PropertyGroup>
  