[clang] [-Wunsafe-buffer-usage] Do not warn about class methods with libc function names (PR #151270)

[Gábor Horváth via cfe-commits]

https://github.com/Xazax-hun commented:

What about functions with the same name but in different namespaces? Maybe we should check that the function is either in the global scope or in the `std` namespace instead?

https://github.com/llvm/llvm-project/pull/151270