Avoid creation of irrelevant temporary files on Windows #1462
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binfmt_misc package creates temporary files containing alternate arch binaries to check if qemu binfmt support is enabled for them.
On Windows, it creates those file as well, even if there is no way those files can get executed on Windows as they are Linux binaries.
This PR avoids these unnecessary file creations on Windows, to avoid downstream projects such as dockerd to create those files on Windows.