[libcxx-commits] [libcxx] [libc++][docs] Fixing hyperlink for mathematical special function documentation (PR #104444)

[Mark de Wever via libcxx-commits]

mordante wrote:

/cherry-pick [29811a8](https://github.com/llvm/llvm-project/commit/29811a81f77c22523dbfffbd2d39ac731baea37b)

https://github.com/llvm/llvm-project/pull/104444