[clang] [NFC][Clang][Headers] Update refs to ACLE in comments (PR #66662)

[Victor Campos via cfe-commits]

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@@ -20,8 +20,8 @@
 extern "C" {
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vhscampos wrote:

Thanks @Blue-Dot for the patch. I agree with @kbeyls that it would be a good idea.

https://github.com/llvm/llvm-project/pull/66662