Log Message:
Update pgpdump pacakge to 0.22.

0.22 2004/01/23

* parse_subpacket() are split into parse_signature_subpacket() and
  parse_userattr_subpacket(). A bug of length calculation is fixed.
* The critical bit of the signature subpackets are supported.
	Peter Palfrader <peter@palfrader.org>

0.21 2004/01/13

* Removing compiler warnings.
* Using getopt().
* Supporting RISC OS.
	Stefan Bellon <sbellon@sbellon.de>
* Correct casting for Bzip2.
	Stefan Bellon <sbellon@sbellon.de>
* Prepared os/riscos/{config.h,Makefile} since "sh" does not exist on
  RISC OS.
	Stefan Bellon <sbellon@sbellon.de>