C++: Fix queries I forgot after merging github/codeql#20485.#959

jketema merged 1 commit intogithub:nextgithub/codeql-coding-standards:nextfrom

MathiasVP:fix-more-queries-after-shared-guardsMathiasVP/codeql-coding-standards:fix-more-queries-after-shared-guardsCopy head branch name to clipboard