[clang-tools-extra] [clang-include-cleaner] Fix incorrect directory issue for writing files (PR #111375)

[Byoungchan Lee via cfe-commits]

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@@ -49,12 +49,15 @@ int x = foo();
 //        RUN: FileCheck --match-full-lines --check-prefix=EDIT2 %s < %t.cpp
 //  EDIT2-NOT: {{^}}#include "foo.h"{{$}}
 
+// This test has commands that rely on shell capabilities that won't execute
+// correctly on Windows e.g. subshell execution
+//   REQUIRES: shell
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bc-lee wrote:

This was explained in the previous comment. It now works on Windows as well.

https://github.com/llvm/llvm-project/pull/111375