[clang] Fixing the logic issue in TransformTypos::TransformDesignatedInitExpr… (PR #127211)

[Younan Zhang via cfe-commits]

https://github.com/zyn0217 commented:

Thanks. Though I think we should just fix the problematic condition expression, and other changes seem a bit unnecessary since they are already clear enough.

https://github.com/llvm/llvm-project/pull/127211