Publish constants for the DER builder.
* src/ksba.h.in (KSBA_CLASS_): New constants. (KSBA_TYPE_): New constants. * src/der-builder.c (struct item_s): Increase size of HDRLEN and TAG. (count_tl, write_tl): Support tags > 30. * tests/t-der-builder.c: New * tests/Makefile.am (TESTS): Add file.
- Signed-off-by: Werner Koch <wk@gnupg.org>