[libc-commits] [libc] [libc] Use an existing helper in wcspbrk.cpp (PR #150444)

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sribee8 wrote:

> huh. internal::wcschr() has its arguments the opposite way round from wcschr(). deliberate or accidental? (that is: "should i change the caller or the callee?")

the internal function was initially called something else- renaming it might be more optimal since the internal returns a bool while the public function returns a pointer and it is not being used by the public wcschr function

https://github.com/llvm/llvm-project/pull/150444