aubio: fix build with latest CLT

[branchvincent]

• Have you followed the guidelines for contributing?
• Have you ensured that your commits follow the commit style guide?
• Have you checked that there aren't other open pull requests for the same formula update/change?
• Have you built your formula locally with HOMEBREW_NO_INSTALL_FROM_API=1 brew install --build-from-source <formula>, where <formula> is the name of the formula you're submitting?
• Is your test running fine brew test <formula>, where <formula> is the name of the formula you're submitting?
• Does your build pass brew audit --strict <formula> (after doing HOMEBREW_NO_INSTALL_FROM_API=1 brew install --build-from-source <formula>)? If this is a new formula, does it pass brew audit --new <formula>?

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Seen in #174700

python/ext/ufuncs.c:48:3: error: incompatible function pointer types initializing 'PyUFuncGenericFunction' (aka 'void (*)(char **, const long *, const long *, void *)') with an expression of type 'void (*)(char **, npy_intp *, npy_intp *, void *)' (aka 'void (*)(char **, long *, long *, void *)') [-Wincompatible-function-pointer-types]