[libunwind] [libunwind] Use consistent indentation in `__libunwind_config.h` (PR #152861)

[Michał Górny via cfe-commits]

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@@ -11,6 +11,8 @@
 
 #define _LIBUNWIND_VERSION 15000
 
+// Disable clang-format as it makes the huge conditions unreadable.
+// clang-format off
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mgorny wrote:

It just flattens everything.

https://github.com/llvm/llvm-project/pull/152861