[clang] [clang][analyzer] Fix for `security.ArrayBound` assertion failure on incomplete types (PR #231925)

[Balázs Benics via cfe-commits]

https://github.com/steakhal approved this pull request.

Thank you for the patch. You can imagine that if the biggest thing I found was a space and newline then its pretty solid :)

Thabk you!

https://github.com/llvm/llvm-project/pull/231925