Add one (off_t in API), noted by Alexander Galanin.
Add one (off_t in API), noted by Alexander Galanin.

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