[clang] [serialization] no transitive decl change (PR #92083)

[Jan Svoboda via cfe-commits]

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@@ -255,6 +255,12 @@ class DeclOffset {
   }
 };
 
+// The unaligned decl ID used in the Blobs of bistreams.
+using unalighed_decl_id_t =
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jansvoboda11 wrote:

I know this typo isn't introduced by your PR, but since your PR is touching it, please fix it in a prep commit.
```suggestion
using unaligned_decl_id_t =
```

https://github.com/llvm/llvm-project/pull/92083