Initialize size and crc upon ZIP_SOURCE_OPEN, to allow multiple read passes.
Initialize size and crc upon ZIP_SOURCE_OPEN, to allow multiple read passes.

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