Linter doesn't catch ownership attributes mismatch between function definition and declaration

The linter missed an mistake. The header and C file have different function signatures.
[fb4822d](https://github.com/rizinorg/rizin/commit/fb4822d)

[rz_pvector_find_index](https://github.com/rizinorg/rizin/commit/fb4822d#diff-c70cb9e806917752e01be5005d1609dad39887a4dc325529f69fbef9f07a63dcR472-R487)