[clang] [clang][nfc] Formatting fix for SubobjectAdjustment struct in Expr.h (PR #217803)

[Oliver Hunt via cfe-commits]

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@@ -60,51 +60,52 @@ namespace clang {
   class ValueDecl;
   class WarnUnusedResultAttr;
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ojhunt wrote:

"This suggestion is invalid because no changes were made to the code."

Oh GitHub :D

https://github.com/llvm/llvm-project/pull/217803