Filepath correction, thanks
<!-- Setup metadata for custom build tool -->
<ItemGroup>
<SKShader>
- <Command>"$([MSBuild]::NormalizePath('$(MSBuildThisFileDirectory)../tools/$(SKShadercExe)'))" $(SKOpt) -e -t xge -i "$([MSBuild]::NormalizeDirectory('$(MSBuildThisFileDirectory)../tools/'))include" -o "$(SKOutDir)" "%(SKShader.Identity)"</Command>
+ <Command>"$([MSBuild]::NormalizePath('$(MSBuildThisFileDirectory)../Tools/$(SKShadercExe)'))" $(SKOpt) -e -t xge -i "$([MSBuild]::NormalizeDirectory('$(MSBuildThisFileDirectory)../tools/'))include" -o "$(SKOutDir)" "%(SKShader.Identity)"</Command>
<Outputs>$(SKOutDir)%(SKShader.Filename)%(SKShader.Extension).sks</Outputs>
<RelativeName Condition="'%(SKShader.BuildRoot)'!=''">$([MSBuild]::MakeRelative("%(SKShader.BuildRoot)", "%(SKShader.Identity).sks"))</RelativeName>
<RelativeName Condition="'%(SKShader.BuildRoot)'==''">@(SKShader).sks</RelativeName>
