Disable Microsoft.IO.Redist on non-Windows (#7460)
Disable Microsoft.IO.Redist on non-Windows (#7460)

Microsoft.IO.Redist requires using a windows library, so it doesn't work on linux/mac. Users using framework on either of those platforms get exceptions.

Fixes #7335.
rainersigwald/msbuild,rainersigwald/msbuild,rainersigwald/msbuild,AndyGerlicher/msbuild,sean-gilliam/msbuild,sean-gilliam/msbuild,rainersigwald/msbuild,AndyGerlicher/msbuild,sean-gilliam/msbuild,AndyGerlicher/msbuild,sean-gilliam/msbuild,AndyGerlicher/msbuild