Fix stupid issue in find headers on linux and max.
Fix stupid issue in find headers on linux and max.

duguxy/pyclibrary,mrh1997/pyclibrary,MatthieuDartiailh/pyclibrary,mrh1997/pyclibrary,duguxy/pyclibrary,duguxy/pyclibrary,mrh1997/pyclibrary,MatthieuDartiailh/pyclibrary