Include zipint.h to fix build on Windows. Problem reported by Pierre Joye.
Include zipint.h to fix build on Windows.
Problem reported by Pierre Joye.

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