message: VS project update
diff: <ProjectName>Irrlicht</ProjectName>
  <ProjectGuid>{E08E042A-6C45-411B-92BE-3CC31331019F}</ProjectGuid>
  <RootNamespace>Irrlicht</RootNamespace>
  - <WindowsTargetPlatformVersion>10.0.16299.0</WindowsTargetPlatformVersion>
  + <WindowsTargetPlatformVersion>10.0.15063.0</WindowsTargetPlatformVersion>
  </PropertyGroup>
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='SDL-Debug|x64'" Label="Configuration">
  <ClInclude Include="COpenGLOcclusionQuery.h" />
  <ClInclude Include="COpenGLQuery.h" />
  <ClInclude Include="COpenGLTransformFeedback.h" />
  - <ClInclude Include="COpenGLVAO.h" />
  + <ClInclude Include="COpenGLVAOSpec.h" />
  <ClInclude Include="COSOperator.h" />
  <ClInclude Include="COverdrawMeshOptimizer.h" />
  <ClInclude Include="CSceneManager.h" />
  <ClCompile Include="COpenGLQuery.cpp" />
  <ClCompile Include="COpenGLRenderBuffer.cpp" />
  <ClCompile Include="COpenGLTransformFeedback.cpp" />
  - <ClCompile Include="COpenGLVAO.cpp">
  + <ClCompile Include="COpenGLVAOSpec.cpp">
  <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Static lib - Debug - Server|x64'">true</ExcludedFromBuild>
  <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Static lib - Release - Server|x64'">true</ExcludedFromBuild>
  <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Static lib - Release - Fast FPU|x64'">false</ExcludedFromBuild>
  