No need to check zip_uint64_t for < 0.
No need to check zip_uint64_t for < 0.

JanX2/libzip-git,cysp/libzip,JanX2/libzip-git,cysp/libzip,projedi/libzip,projedi/libzip,cysp/libzip,projedi/libzip,projedi/libzip,cysp/libzip