message: Update nuget reference.
diff: @@ -3,7 +3,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
  # Visual Studio 15
  VisualStudioVersion = 15.0.26730.15
  MinimumVisualStudioVersion = 10.0.40219.1
  -Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Samples", "Samples\Samples.csproj", "{7CC9D207-8B03-4461-8CBA-8163E11576B5}"
  +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Samples", "Samples\Samples.csproj", "{7CC9D207-8B03-4461-8CBA-8163E11576B5}"
  EndProject
  Global
  GlobalSection(SolutionConfigurationPlatforms) = preSolution
  