fixed on build error xcopy on localized machines

[ChristianBoehm]

echo ( f | xcopy ) will not work, can get around with putting an '*' at the end, xcopy will treat then as file. This solutions builds
fine on DE German machine.

Summary of the Pull Request

References

PR Checklist

• Closes On Build error xcopy on not english localized machines #507
• CLA signed. If not, go over here and sign the CLA
• Tests added/passed
• Requires documentation to be updated
• I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx

Detailed Description of the Pull Request / Additional comments

[mKay00]

So it is a fix for #507 and another version of #741. I don't know where we are now about this issue. I have a similar solution like you in my repo (mKay00@08e6039), but I deleted the echo | fpart, since it isn't needed with the asterisk. And the other files should be changed as well, if we use this solution.

[ChristianBoehm]

well for me only src/cppwinrt.build.post.props line 29-30 and 36-37 were complaining and stoped for me building a working solution. The remaining usage of xcopy under certain cmd files in the tools directory works perfect.

[zadjii-msft]

Well, #741 hasn't been bumped in a bit, so I'm inclined to take this over the other.

I would like to see the echo f | taken out of those commandlines though, if they're no longer needed.

[miniksa]

I'm good with this, but we'll need to close the other one then when this gets merged.

[mKay00]

I think that the other files should be changed the same way to be consistent and to prevent possible future issues.

[ghost]

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